@article{DAN_1983_273_2_a12,
     author = {B. T. Polyak and Ya. Z. Tsypkin},
     title = {Optimal algorithms for criterial optimization under conditions of},
     journal = {Doklady Akademii Nauk},
     pages = {315--318},
     year = {1983},
     volume = {273},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_273_2_a12/}
}