Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1957__84_4_a7, author = {{\CYRYU}.{\CYRA}. {\CYRK}{\cyra}{\cyrz}{\cyrsftsn}{\cyrm}{\cyri}{\cyrn}}, title = {{\CYRO} {\cyrb}{\cyra}{\cyrz}{\cyri}{\cyrs}{\cyra}{\cyrh} {\cyri} {\cyrp}{\cyro}{\cyrl}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrv} {\cyrg}{\cyri}{\cyrl}{\cyrsftsn}{\cyrb}{\cyre}{\cyrr}{\cyrt}{\cyro}{\cyrv}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre}}, journal = {Matemati\v{c}eskij sbornik}, pages = {513--522}, publisher = {mathdoc}, volume = {84}, number = {4}, year = {1957}, zbl = {0117.32603}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1957__84_4_a7/} }
Ю.А. Казьмин. О базисах и полных системах функций в гильбертовом пространстве. Matematičeskij sbornik, Tome 84 (1957) no. 4, pp. 513-522. http://geodesic.mathdoc.fr/item/MS_1957__84_4_a7/