Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1989_25_10_a33, author = {M. A. Mustafin}, title = {The {Riesz} basis of a system of sines}, journal = {Differencialʹnye uravneni\^a}, pages = {1832--1833}, publisher = {mathdoc}, volume = {25}, number = {10}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1989_25_10_a33/} }
M. A. Mustafin. The Riesz basis of a system of sines. Differencialʹnye uravneniâ, Tome 25 (1989) no. 10, pp. 1832-1833. http://geodesic.mathdoc.fr/item/DE_1989_25_10_a33/