Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1974_216_6_a7, author = {Ho\`ang Tụy}, title = {On an axiomatics for extremal problems and first-order necessary conditions}, journal = {Doklady Akademii Nauk}, pages = {1233--1236}, publisher = {mathdoc}, volume = {216}, number = {6}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_216_6_a7/} }
Hoàng Tụy. On an axiomatics for extremal problems and first-order necessary conditions. Doklady Akademii Nauk, Tome 216 (1974) no. 6, pp. 1233-1236. http://geodesic.mathdoc.fr/item/DAN_1974_216_6_a7/