TOSHMATOVA, Maftuna; MAMAJONOVA, Xavoxon. Umumlashgan bir jinsli differensial tenglamalar. Ko’zgu masalasi. Research and Implementation, [S. l.], v. 4, n. 5/3, p. 164–165, 2026. Disponível em: https://rai-journal.uz/index.php/rai/article/view/3127. Acesso em: 24 май. 2026.