Mitropolskiy YA, Sokil BI. On the application of Ateb-functions to the construction of an asymptotic solution of the perturbed nonlinear Klein-Gordon equation. Ukr. Mat. Zhurn. [Internet]. 1998 May 25 [cited 2025 Dec. 5];50(5):665–670. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4904