UMIROVA DILDORA. SOLVING THE CAUCHY PROBLEM FOR THE NONLINEAR DIFFUSION EQUATION USING HE’S HOMOTOPY PERTURBATION METHOD. Zamonaviy ilmiy yondashuvlar va texnologik taraqqiyotning ustuvor yo‘nalishlari, [S. l.], v. 1, n. 5, p. 64–68, 2026. DOI: 10.5281/zenodo.21892719. Disponível em: https://innopublication.com/index.php/zyty/article/view/1043. Acesso em: 16 sep. 2026.