@article{IVM_2001_8_a3,
     author = {G. Ya. Areshkin},
     title = {On some properties of linear continuous transformations of {Hilbert} spaces},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {29--37},
     publisher = {mathdoc},
     number = {8},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2001_8_a3/}
}