ON FUNDAMENTAL SOLUTIONS OF ORDINARY DIFFERENTIAL EQUATIONS OF THE SECOND ORDER WITH THE BESSEL OPERATOR. Scientific journal of the Fergana State University, [S. l.], n. 1, p. 6–11, 2020. Disponível em: https://journal.fdu.uz/index.php/sjfsu/article/view/175. Acesso em: 10 jan. 2026.