Jalolov, O. “Sobolev Faktor Fazosida Umumiy ko`rinishidagi Kubatur Formulalarining Xatoligini Baholash”. Ilmiy Nashrlar Markazi (buxdu.Uz), vol. 1, no. 1, May 2021, https://journal.buxdu.uz/index.php/journals_buxdu/article/view/83.