The fundamental solution of the Cauchy problem for {p,h}-parabolic systems with variable coefficients. Neliniini Kolyvannya, [S. l.], v. 21, n. 2, p. 189–196, 2018. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/904. Acesso em: 21 jan. 2026.