KARAEV, M. T. Invariant subspaces, cyclic vectors, commutant and extended eigenvectors of some convolution operators. Methods of Functional Analysis and Topology, [S. l.], v. 11, n. 1, p. 48–59, 2005. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/265. Acesso em: 16 dec. 2025.