FOIAD, Sobhi Obaid. On the limit polynomial for a solution of an elliptic equation of the fourth order with constant coefficients. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 3, p. 437–444, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4946. Acesso em: 7 apr. 2025.