Usmonov, M. T. o’g’li (2023) “Darajali qatorlar. Darajali qatorlarning yaqinlashish radiusi va sohasi. Teylor formulasi va qatori”, Science and Education, 4(1), pp. 36–56. Available at: https://openscience.uz/index.php/sciedu/article/view/4798 (Accessed: 14May2024).