@article{DAN_1971_199_3_a0,
     author = {N. N. Astaf'ev},
     title = {On inverse theorems of generalized duality in convex programming problems},
     journal = {Doklady Akademii Nauk},
     pages = {511--514},
     publisher = {mathdoc},
     volume = {199},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_3_a0/}
}