%0 Journal Article %A K. A. Borovkov %T Rate of convergence in a boundary problem %J Teoriâ veroâtnostej i ee primeneniâ %D 1982 %P 141-142 %V 27 %N 1 %U http://geodesic.mathdoc.fr/item/TVP_1982_27_1_a12/ %G ru %F TVP_1982_27_1_a12