Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1991_321_5_a6, author = {V. S. Mel'nik}, title = {Noncoercive extremal problems in {Banach} spaces}, journal = {Doklady Akademii Nauk}, pages = {900--904}, publisher = {mathdoc}, volume = {321}, number = {5}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_321_5_a6/} }
V. S. Mel'nik. Noncoercive extremal problems in Banach spaces. Doklady Akademii Nauk, Tome 321 (1991) no. 5, pp. 900-904. http://geodesic.mathdoc.fr/item/DAN_1991_321_5_a6/