LOS, V. M. On sufficient conditions for generalized solutions of some mixed parabolic problems to be classical. Transactions of Institute of Mathematics, the NAS of Ukraine, [S. l.], v. 13, n. 1, p. 228–243, 2016. Disponível em: https://trim.imath.kiev.ua/index.php/trim/article/view/215. Acesso em: 20 jul. 2024.