Bordulyak MT, Sheremeta MM. Boundedness of the l-Index of Laguerre–Pólya Entire Functions. Ukr. Mat. Zhurn. [Internet]. 2003 Jan. 25 [cited 2025 Dec. 6];55(1):91-9. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3890