“ISHORA NAVBATLASHUVCHI QATORLAR.LEYBNITS TEOREMASI.ABSOLYUT VA SHARTLI YAQINLASHUVCHI QATORLAR,ULARNING XOSSALARI”. (2025). Ustozlar Uchun, 85(3), 216-224. https://journalss.org/index.php/ust/article/view/9079