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@article{MS_1963__104_1_a6, author = {{\CYRA}.{\CYRL}. {\CYRG}{\cyra}{\cyrr}{\cyrk}{\cyra}{\cyrv}{\cyri}}, title = {{\CYRO} {\cyrn}{\cyra}{\cyri}{\cyrl}{\cyru}{\cyrch}{\cyrsh}{\cyre}{\cyrm} {\cyrp}{\cyrr}{\cyri}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrerev}{\cyrl}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyra}{\cyrm}{\cyri} {\cyrb}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyro}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyro}{\cyrd}{\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {104--120}, publisher = {mathdoc}, volume = {104}, number = {1}, year = {1963}, zbl = {0123.09104}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1963__104_1_a6/} }
А.Л. Гаркави. О наилучшем приближении элементами бесконечномерных подпространств одного класса. Matematičeskij sbornik, Tome 104 (1963) no. 1, pp. 104-120. http://geodesic.mathdoc.fr/item/MS_1963__104_1_a6/