TY - JOUR AU - Wilker, J. B. PY - 1989 DA - 1989// TI - Problem E3306 JO - Am. Math. Mon. VL - 96 UR - https://doi.org/10.2307/2323260 DO - 10.2307/2323260 ID - Wilker1989 ER - TY - JOUR AU - Sumner, J. S. AU - Jagers, A. A. AU - Vowe, M. AU - Anglesio, J. PY - 1991 DA - 1991// TI - Inequalities involving trigonometric functions JO - Am. Math. Mon. VL - 98 UR - https://doi.org/10.2307/2325035 DO - 10.2307/2325035 ID - Sumner1991 ER - TY - JOUR AU - Wu, S. -. H. AU - Srivastava, H. M. PY - 2007 DA - 2007// TI - A weighted and exponential generalization of Wilker’s inequality and its applications JO - Integral Transforms Spec. Funct. VL - 18 UR - https://doi.org/10.1080/10652460701284164 DO - 10.1080/10652460701284164 ID - Wu2007 ER - TY - JOUR AU - Wu, S. -. H. PY - 2009 DA - 2009// TI - On extension and refinement of Wilker’s inequality JO - Rocky Mt. J. Math. VL - 39 UR - https://doi.org/10.1216/RMJ-2009-39-2-683 DO - 10.1216/RMJ-2009-39-2-683 ID - Wu2009 ER - TY - JOUR AU - Neuman, E. AU - Sándor, J. PY - 2010 DA - 2010// TI - On some inequalities involving trigonometric and hyperbolic functions with emphasis on the Cusa-Huygens, Wilker, and Huygens inequalities JO - Math. Inequal. Appl. VL - 13 ID - Neuman2010 ER - TY - JOUR AU - Neuman, E. PY - 2012 DA - 2012// TI - On Wilker and Huygens type inequalities JO - Math. Inequal. Appl. VL - 15 ID - Neuman2012 ER - TY - JOUR AU - Sándor, J. PY - 2012 DA - 2012// TI - The Huygens and Wilker-type inequalities as inequalities for means of two arguments JO - Adv. Stud. Contemp. Math. VL - 22 ID - Sándor2012 ER - TY - JOUR AU - Chen, C. -. P. AU - Sándor, J. PY - 2014 DA - 2014// TI - Inequality chains for Wilker, Huygens and Lazarević type inequalities JO - J. Math. Inequal. VL - 8 UR - https://doi.org/10.7153/jmi-08-02 DO - 10.7153/jmi-08-02 ID - Chen2014 ER - TY - JOUR AU - Wu, S. -. H. AU - Yue, H. -. P. AU - Deng, Y. -. P. AU - Chu, Y. -. M. PY - 2016 DA - 2016// TI - Several improvements of Mitrinović-Adamović and Lazarević’s inequalities with applications to the sharpening of Wilker-type inequalities JO - J. Nonlinear Sci. Appl. VL - 9 ID - Wu2016 ER - TY - JOUR AU - Wu, S. -. H. AU - Li, S. -. G. AU - Bencze, M. PY - 2016 DA - 2016// TI - Sharpened versions of Mitrinović-Adamović, Lazarević and Wilker’s inequalities for trigonometric and hyperbolic functions JO - J. Nonlinear Sci. Appl. VL - 9 ID - Wu2016 ER - TY - JOUR AU - Pinelis, I. PY - 2004 DA - 2004// TI - L’Hospital rules for monotonicity and the Wilker-Anglesio inequality JO - Am. Math. Mon. VL - 111 UR - https://doi.org/10.2307/4145099 DO - 10.2307/4145099 ID - Pinelis2004 ER - TY - JOUR AU - Sun, Z. -. J. AU - Zhu, L. PY - 2011 DA - 2011// TI - On Wilker-type inequalities JO - ISRN Math. Anal. VL - 2011 ID - Sun2011 ER - TY - JOUR AU - Wu, S. -. H. AU - Srivastava, H. M. PY - 2008 DA - 2008// TI - A further refinement of Wilker’s inequality JO - Integral Transforms Spec. Funct. VL - 19 UR - https://doi.org/10.1080/10652460802340931 DO - 10.1080/10652460802340931 ID - Wu2008 ER - TY - JOUR AU - Yang, Z. -. H. PY - 2014 DA - 2014// TI - The sharp inequalities related to Wilker type JO - Math. Inequal. Appl. VL - 17 ID - Yang2014 ER - TY - JOUR AU - Yang, Z. -. H. AU - Chu, Y. -. M. PY - 2014 DA - 2014// TI - Sharp Wilker-type inequalities with applications JO - J. Inequal. Appl. VL - 2014 UR - https://doi.org/10.1186/1029-242X-2014-166 DO - 10.1186/1029-242X-2014-166 ID - Yang2014 ER - TY - JOUR AU - Zhu, L. PY - 2007 DA - 2007// TI - On Wilker-type inequalities JO - Math. Inequal. Appl. VL - 10 ID - Zhu2007 ER - TY - JOUR AU - Baricz, Á. AU - Sándor, J. PY - 2008 DA - 2008// TI - Extensions of the generalized Wilker inequality to Bessel functions JO - J. Math. Inequal. VL - 2 UR - https://doi.org/10.7153/jmi-02-35 DO - 10.7153/jmi-02-35 ID - Baricz2008 ER - TY - JOUR AU - Zhu, L. PY - 2009 DA - 2009// TI - Some new Wilker-type inequalities for circular and hyperbolic functions JO - Abstr. Appl. Anal. VL - 2009 ID - Zhu2009 ER - TY - JOUR AU - Sándor, J. PY - 2012 DA - 2012// TI - On some Wilker and Huygens type trigonometric-hyperbolic inequalities JO - Proc. Jangjeon Math. Soc. VL - 15 ID - Sándor2012 ER - TY - JOUR AU - Chen, C. -. P. AU - Cheung, W. -. S. PY - 2012 DA - 2012// TI - Wilker- and Huygens-type inequalities and solution to Oppenheim’s problem JO - Integral Transforms Spec. Funct. VL - 23 UR - https://doi.org/10.1080/10652469.2011.586637 DO - 10.1080/10652469.2011.586637 ID - Chen2012 ER - TY - JOUR AU - Chen, C. -. P. PY - 2012 DA - 2012// TI - Wilker and Huygens type inequalities for the lemniscate functions JO - J. Math. Inequal. VL - 6 UR - https://doi.org/10.7153/jmi-06-65 DO - 10.7153/jmi-06-65 ID - Chen2012 ER - TY - JOUR AU - Wu, S. -. H. AU - Debnath, L. PY - 2012 DA - 2012// TI - Wilker-type inequalities for hyperbolic functions JO - Appl. Math. Lett. VL - 25 UR - https://doi.org/10.1016/j.aml.2011.10.028 DO - 10.1016/j.aml.2011.10.028 ID - Wu2012 ER - TY - JOUR AU - Chen, C. -. P. PY - 2013 DA - 2013// TI - Wilker and Huygens type inequalities for the lemniscate functions II JO - Math. Inequal. Appl. VL - 16 ID - Chen2013 ER - TY - JOUR AU - Chen, C. -. P. PY - 2012 DA - 2012// TI - Sharp Wilker- and Huygens-type inequalities for inverse trigonometric and inverse hyperbolic functions JO - Integral Transforms Spec. Funct. VL - 23 UR - https://doi.org/10.1080/10652469.2011.644851 DO - 10.1080/10652469.2011.644851 ID - Chen2012 ER - TY - JOUR AU - Neuman, E. PY - 2014 DA - 2014// TI - Wilker and Huygens-type inequalities for generalized trigonometric and for generalized hyperbolic functions JO - Appl. Math. Comput. VL - 230 ID - Neuman2014 ER - TY - JOUR AU - Neuman, E. PY - 2014 DA - 2014// TI - Wilker- and Huygens-type inequalities for Jacobian elliptic and theta functions JO - Integral Transforms Spec. Funct. VL - 25 UR - https://doi.org/10.1080/10652469.2013.838761 DO - 10.1080/10652469.2013.838761 ID - Neuman2014 ER - TY - JOUR AU - Mortici, C. PY - 2014 DA - 2014// TI - A subtly analysis of Wilker inequality JO - Appl. Math. Comput. VL - 231 ID - Mortici2014 ER - TY - JOUR AU - Bahşi, M. PY - 2016 DA - 2016// TI - Wilker-type inequalities for hyperbolic Fibonacci functions JO - J. Inequal. Appl. VL - 2016 UR - https://doi.org/10.1186/s13660-016-1088-y DO - 10.1186/s13660-016-1088-y ID - Bahşi2016 ER - TY - BOOK AU - Anderson, G. D. AU - Vamanamurthy, M. K. AU - Vuorinen, M. PY - 1997 DA - 1997// TI - Conformal Invariants, Inequalities, and Quasiconformal Maps PB - Wiley CY - New York ID - Anderson1997 ER - TY - JOUR AU - Anderson, G. D. AU - Qiu, S. -. L. AU - Vamanamurthy, M. K. AU - Vuorinen, M. PY - 2000 DA - 2000// TI - Generalized elliptic integrals and modular equations JO - Pac. J. Math. VL - 192 UR - https://doi.org/10.2140/pjm.2000.192.1 DO - 10.2140/pjm.2000.192.1 ID - Anderson2000 ER - TY - JOUR AU - Biernacki, M. AU - Krzyż, J. PY - 1955 DA - 1955// TI - On the monotonity of certain functionals in the theory of analytic functions JO - Ann. Univ. Mariae Curie-Skłodowska, Sect. A VL - 9 ID - Biernacki1955 ER - TY - BOOK PY - 1979 DA - 1979// TI - Mathematics Handbook PB - Peoples’ Education Press CY - Beijing ID - ref32 ER - TY - BOOK AU - Abramowitz, M. AU - Stegun, I. A. PY - 1964 DA - 1964// TI - Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables PB - U.S. Government Printing Office CY - Washington ID - Abramowitz1964 ER -