teacher of the "Mathematical Analysis" department Bukhara State University, K. “METODS OF ASSEMBLING OF THE DEGREE SERIES OF SEVERAL VARIABLES OF THE COMPLEX NUMBERS: Kh.G.Khayitova”. Лучшие интеллектуальные исследования, vol. 22, no. 1, June 2024, pp. 304-15, http://web-journal.ru/index.php/journal/article/view/5689.