Narmanov, Otabek Abdigapparovich, Anvar Nazirovich Mirzayev, and Salohiddin Samaridinovich Nasridinov. 2023. “ON THE SYMMETRY GROUP OF DIFFERENTIAL EQUATIONS”. GOLDEN BRAIN 1 (28):142-50. https://researchedu.org/index.php/goldenbrain/article/view/5009.