Abdunazarov , Rabimkul, Javohir Ibrohimov, and Anna Belova. “SHTURM-LIUVILL OPERATORI PARAMETLARINI ANALITIK TIKLASH MASALALARI”. Effective scientific journals 4, no. 8 (January 31, 2026): 110–116. Accessed September 1, 2026. https://d-pressa.com/index.php/dps/article/view/718.