BAZALII, B. V.; VASIL'EVA, N. V. On the Solvability of the Hele–Shaw Model Problem in Weighted Hölder Spaces in a Plane Angle. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 11, p. 1446–1457, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4552. Acesso em: 5 dec. 2025.