DADAZHANOVA , G.; ABSATAR KYZY, A. CONSTRUCTION OF THE ASYMPTOTICS OF A SINGULARLY PERTURBED FIRST-ORDER DIFFERENTIAL EQUATION WITH A SINGULAR POINT. Journal of Osh State University. Mathematics. Physics. Technical Sciences, [S. l.], n. 1, p. 9–15, 2023. DOI: 10.52754/16948645_2022_1_1. Disponível em: https://journal.oshsu.kg/index.php/mpht/article/view/247. Acesso em: 8 nov. 2026.