%0 Journal Article %A Ya. I. Al'ber %A S. V. Shil'man %T On methods of stochastic approximation %J Doklady Akademii Nauk %D 1980 %P 265-269 %V 255 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_255_2_a0/ %G ru %F DAN_1980_255_2_a0