Il'kiv, V.S., Volyanska, I.I. and Symotyuk, M.M. (2018) “Nonlocal boundary-value problem for a second-order
partial differential equation in an unbounded strip”,
Ukrains’kyi Matematychnyi Zhurnal, 70(10), pp. 1374–1381. Available at:
https://umj.imath.kiev.ua/index.php/umj/article/view/1641 (Accessed: 7 April 2025).