@article{MS_1943__54_2_a1,
     author = {{\CYRI}.{\CYRM}. {\CYRG}{\cyre}{\cyrl}{\cyrsftsn}{\cyrf}{\cyra}{\cyrn}{\cyrd} and M.A. {\CYRN}{\cyra}{\cyrishrt}{\cyrm}{\cyra}{\cyrr}{\cyrk}},
     title = {On the imbedding of normed rings into the ring of operators in {Hilbert} space},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {197--217},
     publisher = {mathdoc},
     volume = {54},
     number = {2},
     year = {1943},
     zbl = {0060.27006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MS_1943__54_2_a1/}
}