MATIICHUK , M. I. One method for solution of the Cauchy problem for singular parabolic equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 1, p. 135–138, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7805. Acesso em: 6 dec. 2025.