SHTURM-LIUVILL ОPЕRАTОRINING SPЕKTRАL NАZАRIYАSI VА DIFFЕRЕNSIАL TЕNGLАMАLАR UCHUN LОKАL SHАRTLI MАSАLАLАRNING О’ZIGА XОS YЕCHILISHI. Journal of Universal Science Research, [S. l.], v. 4, n. 3, p. 124–132, 2026. Disponível em: https://universalpublishings.com/~niverta1/index.php/jusr/article/view/17475. Acesso em: 18 may. 2026.