1.
Barannyk TA, Barannyk AF, Yuryk II. Generalized procedure of separation of variables and reduction of nonlinear wave equations. Ukr. Mat. Zhurn. [Internet]. 2009Jul.25 [cited 2024May3];61(7):892-05. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3065