AGHAYEVA, Gulsum Allahyar; JURAEV, Davron Aslonqulovich. Spectral Properties and Boundary Conditions for Second Order Elliptic Operators. Karshi Multidisciplinary International Scientific Journal, [S. l.], v. 2, n. 1, p. 1–7, 2025. DOI: 10.22105/kmisj.v2i1.80. Disponível em: https://kmisj.reapress.com/journal/article/view/80.. Acesso em: 24 aug. 2025.