SHTURM-LIUVILL ОPЕRАTОRINING SPЕKTRАL NАZАRIYАSI VА DIFFЕRЕNSIАL TЕNGLАMАLАR UCHUN LОKАL SHАRTLI MАSАLАLАRNING О’ZIGА XОS YЕCHILISHI. JUSR [Internet]. 2026 Apr. 4 [cited 2026 May 18];4(3):124-32. Available from: http://universalpublishings.com/index.php/jusr/article/view/17475