%0 Journal Article %A D. A. Serkov %T On the unimprovability of full memory strategies in the risk minimization problem %J Trudy Instituta matematiki i mehaniki %D 2013 %P 222-230 %V 19 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2013_19_4_a22/ %G ru %F TIMM_2013_19_4_a22