“SHTURM-LIUVILL ОPЕRАTОRINING SPЕKTRАL NАZАRIYАSI VА DIFFЕRЕNSIАL TЕNGLАMАLАR UCHUN LОKАL SHАRTLI MАSАLАLАRNING О’ZIGА XОS YЕCHILISHI”. 2026. Journal of Universal Science Research 4 (3): 124-32. https://universalpublishings.com/~niverta1/index.php/jusr/article/view/17475.