Koshanov B, Baiarystanov A, Daurenkyzy M, Turymbet S. GREEN’S FUNCTIONS OF SOME BOUNDARY VALUE PROBLEMS FOR BYHARMONIC OPERATORS AND THEIR CORRECT CONSTRICTIONS. СФМН [Интернет]. 15 апрель 2021 г. [цитируется по 4 май 2024 г.];(2):15-23. доступно на: https://journals.nauka-nanrk.kz/physics-mathematics/article/view/280