@article{MS_1963__103_3_a1,
     author = {{\CYRV}.{\CYRP}. {\CYRG}{\cyrr}{\cyro}{\cyrm}{\cyro}{\cyrv}},
     title = {{\CYRO} {\cyrr}{\cyrya}{\cyrd}{\cyra}{\cyrh} $\sum _{n=1}^\ensuremath{\infty} d_n f(\ensuremath{\lambda}_n z)$},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {272--290},
     publisher = {mathdoc},
     volume = {103},
     number = {3},
     year = {1963},
     zbl = {0144.07104},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1963__103_3_a1/}
}