“The Study of Multidimensional Mixed Problem for One Class of Third Order Semilinear Psevdohyperbolic Equations”, Eur. J. Pure Appl. Math., vol. 10, no. 5, pp. 1078–1091, Nov. 2017, Accessed: Nov. 21, 2024. [Online]. Available: https://www.ejpam.com/index.php/ejpam/article/view/3071