IL'KIV, V.S.; VOLYANS'KA, I.I. Non-local boundary value problem for partial differential equation in a complex domain. Carpathian Mathematical Publications, [S. l.], v. 6, n. 1, p. 44–58, 2014. DOI: 10.15330/cmp.6.1.44-58. Disponível em: https://ktipe.pnu.edu.ua/index.php/cmp/article/view/1333. Acesso em: 22 nov. 2024.