%0 Journal Article %A A. A. Davydov %A T. S. Shutkina %T Uniqueness of a cycle with discounting that is optimal with respect to the average time profit %J Trudy Instituta matematiki i mehaniki %D 2011 %P 80-87 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2011_17_2_a7/ %G ru %F TIMM_2011_17_2_a7