IKROMOVA SARVINOZ ISMOIL QIZI. HILBERT FAZOLARIDA ANIQLANGAN OPERATORLARNING SPEKTRI . Journal of new century innovations, [S. l.], v. 27, n. 5, p. 118–127, 2023. Disponível em: https://newjournal.org/new/article/view/5733. Acesso em: 13 aug. 2025.