Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1963_152_2_a10, author = {G. Sh. Rubinshtein}, title = {Dual extremal problems}, journal = {Doklady Akademii Nauk}, pages = {288--291}, publisher = {mathdoc}, volume = {152}, number = {2}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_2_a10/} }
G. Sh. Rubinshtein. Dual extremal problems. Doklady Akademii Nauk, Tome 152 (1963) no. 2, pp. 288-291. http://geodesic.mathdoc.fr/item/DAN_1963_152_2_a10/