1.
Клюс І. Multipoint problem for intehrodyferentsialnyh partial differential equations, not solvable on higher derivatives. Proceedings of National Aviation University [Internet]. 2007 Jan. 1 [cited 2024 Oct. 19];31(1):189-91. Available from: https://jrnl.nau.edu.ua/index.php/visnik/article/view/1459