Berezovsky, A. A., Lenyuk, M. P. and Samoilenko, A. M. (1996) “School-Seminar ‘Nonlinear boundary-value problems in Mathematical Physics and their applications’”, Ukrains’kyi Matematychnyi Zhurnal, 48(6), pp. 863-865. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5289 (Accessed: 19May2024).