Khabibullin, B. (2002). The representation of a meromorphic function as the quotient of entire functions and Paley problem in n: survey of some results. Математическая физика, анализ, геометрия, 9(2), 146–167. вилучено із https://mag.ilt.kharkiv.ua/index.php/mag/article/view/m09-0146e