Usmonov, M. T. o’g’li (2023) “Sonli qatorlar (Musbat hadli qatorlarning yaqinlashish teoremalari. Leybnis teoremasi, absolyut va shartli yaqinlashish)”, Science and Education, 4(1), pp. 13–35. Available at: https://openscience.uz/index.php/sciedu/article/view/4797 (Accessed: 11May2024).