Ko‘p o‘zgaruvchili funksiyalarning hususiy hosilalari va differensiallashlar haqida. Journal of Science-Innovative Research in Uzbekistan, [S. l.], v. 1, n. 8, p. 325–331, 2023. Disponível em: https://universalpublishings.com/~niverta1/index.php/jsiru/article/view/2783. Acesso em: 24 nov. 2024.