Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1980_255_6_a0, author = {E. I. Berezhnoi}, title = {Approximation spaces and interpolation}, journal = {Doklady Akademii Nauk}, pages = {1289--1291}, publisher = {mathdoc}, volume = {255}, number = {6}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_255_6_a0/} }
E. I. Berezhnoi. Approximation spaces and interpolation. Doklady Akademii Nauk, Tome 255 (1980) no. 6, pp. 1289-1291. http://geodesic.mathdoc.fr/item/DAN_1980_255_6_a0/