KORBUT, L. I.; MATYCHUK, M. I. Representations of solutions of nonlocal boundary-value problems for parabolic equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 7, p. 947–951, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5688. Acesso em: 14 apr. 2025.