USMONOV, M. T. o’g’li. Darajali qatorlar. Darajali qatorlarning yaqinlashish radiusi va sohasi. Teylor formulasi va qatori. Science and Education, [S. l.], v. 4, n. 1, p. 36–56, 2023. Disponível em: https://openscience.uz/index.php/sciedu/article/view/4798. Acesso em: 14 may. 2024.