@article{DAN_1980_250_5_a15,
     author = {B. T. Polyak and Ya. Z. Tsypkin},
     title = {Optimal pseudogradient stochastic-optimization algorithms},
     journal = {Doklady Akademii Nauk},
     pages = {1084--1087},
     publisher = {mathdoc},
     volume = {250},
     number = {5},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_250_5_a15/}
}