K. G. Malyutin and V. O. Gerasimenko, “On cloused ideals of entire functions of finite gamma-growth”, MFAT, vol. 13, no. 3, pp. 279–283, Sep. 2007, Accessed: Dec. 16, 2025. [Online]. Available: https://zen.imath.kiev.ua/index.php/mfat/article/view/355