@article{DAN_1965_160_1_a2,
     author = {V. F. Dem'yanov and A. M. Rubinov},
     title = {On the minimization of a smooth functional with convex constraints},
     journal = {Doklady Akademii Nauk},
     pages = {15--17},
     publisher = {mathdoc},
     volume = {160},
     number = {1},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_1_a2/}
}