Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_2000_36_7_a21, author = {A. A. Polosin}, title = {The basis property of a perturbed trigonometric system}, journal = {Differencialʹnye uravneni\^a}, pages = {1001--1003}, publisher = {mathdoc}, volume = {36}, number = {7}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2000_36_7_a21/} }
A. A. Polosin. The basis property of a perturbed trigonometric system. Differencialʹnye uravneniâ, Tome 36 (2000) no. 7, pp. 1001-1003. http://geodesic.mathdoc.fr/item/DE_2000_36_7_a21/