1.
Domanov IU. On cyclic and invariant subspaces of an operator $J\otimes B$ in the Sobolev spaces of vector functions. MFAT [Internet]. 1999 Mar. 25 [cited 2025 Dec. 17];5(1):1-12. Available from: https://zen.imath.kiev.ua/index.php/mfat/article/view/78