BIRINCHI TARTIBLI DIFFERENSIAL TENGLAMALAR HAQIDA TUSHUNCHALAR VA UNING YECHIMI. ОБРАЗОВАНИЕ НАУКА И ИННОВАЦИОННЫЕ ИДЕИ В МИРЕ, [S. l.], v. 76, n. 1, p. 349–352, 2025. Disponível em: https://journalss.org/index.php/obr/article/view/497. Acesso em: 7 oct. 2025.