ANTONIOUK, A. Vict.; KISELEV, O. M.; TARKHANOV, N. N. Asymptotic Solutions of the Dirichlet Problem for the Heat Equation at a Characteristic Point. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 10, p. 1299–1317, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2223. Acesso em: 5 dec. 2025.