PUKALSKYI, I. D.; YASHAN, B. O. Boundary-value problem with impulsive action for a parabolic equation with degeneration. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 5, p. 645–655, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1463. Acesso em: 5 dec. 2025.