DONIYOR G’AFUROVICH RAYIMOV. “FIRST-ORDER PARTIAL DIFFERENTIAL EQUATIONS AND THE METHOD FOR SOLVING THE CAUCHY PROBLEM ASSOCIATED WITH THEM”. International Multidisciplinary Journal for Research & Development, [S. l.], v. 13, n. 4, p. 1557–1560, 2026. Disponível em: https://ijmrd.in/index.php/imjrd/article/view/5876. Acesso em: 25 jun. 2026.