Ссылка для цитирования (ENG)
Sil'vanovich Olga V , Shirokov N. A. APPROXIMATION BY ENTIRE FUNCTIONS ON COUNTABLE UNIONS OF SEGMENTS OF THE REAL AXIS: 2. PROOF OF THE MAIN THEOREM VESTNIK OF THE ST. PETERSBURG UNIVERSITY: MATHEMATICS. 2017. №1. pp. 35-43. 10.3103/S1063454117010125