Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1990_26_6_a3, author = {N. B. Kerimov}, title = {On the necessary conditions for the basis property}, journal = {Differencialʹnye uravneni\^a}, pages = {943--953}, publisher = {mathdoc}, volume = {26}, number = {6}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1990_26_6_a3/} }
N. B. Kerimov. On the necessary conditions for the basis property. Differencialʹnye uravneniâ, Tome 26 (1990) no. 6, pp. 943-953. http://geodesic.mathdoc.fr/item/DE_1990_26_6_a3/