SHALDANBAYEV A.SH.; Shaldanbayeva A.А.; SHALDANBAY B.A. ON PROJECTIONAL ORTHOGONAL BASIS OF A LINEAR NON-SELF -ADJOINT OPERATOR. Известия НАН РК. Серия физико-математическая, [S. l.], n. 2, p. 79–89, 2019. Disponível em: http://189185.vm7pq.group/physics-mathematics/article/view/1182. Acesso em: 1 дек. 2024.