Differential Equations & Applications · Volume 11, Issue 4 Applications of generalized trigonometric functions with two parameters II 11-28 Pages 563-575 DOI 10.7153/dea-2019-11-28 Downloads Short PDF Full PDF PNG Authors Shingo Takeuchi Keywords generalized trigonometric functions p-Laplacian inviscid primitive equations Gaussian hypergeometric functions Lyapunov inequality Subject classes 33E05 34L40