@article{IVM_1995_9_a8, author = {Shraǐfel' and I. S.}, title = {On absolutely representing systems in {Hilbert} spaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {78--82}, publisher = {mathdoc}, number = {9}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1995_9_a8/} }