[1]
Mitropolsky Y. А. and Кulchіtskу V. L., “On asymptotic integration of a partial differential non-linear mixed boundary value problem ”, Ukr. Mat. Zhurn., vol. 23, no. 4, pp. 540–544, Jun. 1971, Accessed: Apr. 09, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8590