Parabolic boundary-value problems in a piecewise homogeneous wedge-shaped cylindrically circular space. Neliniini Kolyvannya, [S. l.], v. 23, n. 3, p. 332–342, 2020. Disponível em: https://nosc.imath.kiev.ua/index.php/nosc/article/view/994. Acesso em: 11 apr. 2026.