KHAJIEV, I. INITIAL-BOUNDARY VALUE PROBLEM FOR THE SECOND-ORDER MIXED TYPE DIFFERENTIAL EQUATION WITH ONE LINE OF DEGENERACY. Acta of Turin Polytechnic University in Tashkent, [S. l.], v. 12, n. 3, 2022. Disponível em: https://acta.polito.uz/index.php/journal/article/view/141. Acesso em: 21 nov. 2024.