ZHUSUPOVA, D. S.; TUNGATAROV, A. B. About the elliptic system of the differential partial equations with singular line and point on a plane. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 65, n. 2, p. 48–51, 2010. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/233. Acesso em: 22 dec. 2024.