Parabolic boundary-value problems of mathematical physics in a piecewise homogeneous wedge-shaped hollow cylinder. Neliniini Kolyvannya, [S. l.], v. 26, n. 3, p. 350–362, 2023. DOI: 10.3842/nosc.v26i3.1421. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1109. Acesso em: 21 jan. 2026.