ZadorozhnaN. M., Mel’nykO. M. and PtashnikB. I. (1994) “Nonlocal boundary-value problem for parabolic equations”, Ukrains’kyi Matematychnyi Zhurnal, 46(12), pp. 1621–1626. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5573 (Accessed: 24November2024).