%0 Journal Article %A M. B. Nevel'son %T On centain properties of continuous stochastic approximation procedures %J Teoriâ veroâtnostej i ee primeneniâ %D 1972 %P 310-319 %V 17 %N 2 %U http://geodesic.mathdoc.fr/item/TVP_1972_17_2_a7/ %G ru %F TVP_1972_17_2_a7