1.
Il’kiv VS, Volyanska II, Symotyuk MM. Nonlocal boundary-value problem for a second-order partial differential equation in an unbounded strip. Ukr. Mat. Zhurn. [Internet]. 2018Oct.25 [cited 2024Apr.25];70(10):1374-81. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1641