Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1960_133_5_a6, author = {A. M. Olevskii}, title = {Coefficients of convergent orthogonal series in complete systems of functions}, journal = {Doklady Akademii Nauk}, pages = {1021--1024}, publisher = {mathdoc}, volume = {133}, number = {5}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_133_5_a6/} }
A. M. Olevskii. Coefficients of convergent orthogonal series in complete systems of functions. Doklady Akademii Nauk, Tome 133 (1960) no. 5, pp. 1021-1024. http://geodesic.mathdoc.fr/item/DAN_1960_133_5_a6/