%0 Journal Article %A E. Valkeila %A A. V. Melnikov %T Martingale models of stochastic approximation and their convergence %J Teoriâ veroâtnostej i ee primeneniâ %D 1999 %P 278-311 %V 44 %N 2 %U http://geodesic.mathdoc.fr/item/TVP_1999_44_2_a2/ %G ru %F TVP_1999_44_2_a2