The Study of Multidimensional Mixed Problem for One Class of Third Order Semilinear Psevdohyperbolic Equations. Eur. J. Pure Appl. Math. [Internet]. 2017 Nov. 2 [cited 2024 Jul. 3];10(5):1078-91. Available from: https://ejpam.com/index.php/ejpam/article/view/3071