@article{MS_1944__56_1-2_a1,
     author = {H. {\CYRB}{\cyra}{\cyrr}{\cyri}},
     title = {Sur les syst\`emes complets de fonctions orthogonales},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {51--108},
     publisher = {mathdoc},
     volume = {56},
     number = {1-2},
     year = {1944},
     zbl = {0061.24805},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/MS_1944__56_1-2_a1/}
}