CHOBANOV, G.; DIMOVSKI, I. Extension of the Duhamel principle for the heat equation with Dezin’s initial condition. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 93, p. 73–92, 2001. Disponível em: https://ftl5.uni-sofia.bg./index.php/fmi/article/view/205. Acesso em: 24 nov. 2024.