PIĘTKA, Marek. Uniqueness of the solution of the Cauchy problem for the partial differential equations and the convolution equations. Annales Mathematicae Silesianae, [S. l.], v. 5, p. 57–67, 1991. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14282. Acesso em: 17 jul. 2025.