ON THE THEORY OF HYPERGEOMETRIC FUNCTIONS IN TWO VARIABLES OF THE SECOND ORDER. Scientific journal of the Fergana State University, [S. l.], v. 28, n. 3, p. 39, 2023. Disponível em: https://journal.fdu.uz/index.php/sjfsu/article/view/1867. Acesso em: 9 jan. 2026.