1.
Karimov S, Ilhomjon's daughter BK. A GOURSE PROBLEM FOR A FOURTH-ORDER EQUATION WITH TWO SINGULAR COEFFICIENTS. NI [Internet]. 2022 Nov. 1 [cited 2025 Mar. 19];1(3):266-8. Available from: http://nauchniyimpuls.ru/index.php/ni/article/view/916