PUKALSKYI, I. D. Nonlocal Dirichlet problem for linear parabolic equations with degeneration. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 59, n. 1, p. 109–121, 2007. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3294. Acesso em: 6 dec. 2025.