The Study of Multidimensional Mixed Problem for One Class of Third Order Semilinear Psevdohyperbolic Equations. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 10, n. 5, p. 1078–1091, 2017. Disponível em: https://ejpam.com/index.php/ejpam/article/view/3071.. Acesso em: 3 jul. 2024.