Foiad, S.O. (1998) “On the limit polynomial for a solution of an elliptic equation of the fourth order with constant coefficients”, Ukrains’kyi Matematychnyi Zhurnal, 50(3), pp. 437–444. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4946 (Accessed: 7 April 2025).