%0 Journal Article %A E. E. Marenich %T A~combinatorial approach to the enumeration of doubly stochastic square matrices with nonnegative integer elements %J Diskretnaya Matematika %D 1993 %P 90-101 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1993_5_3_a7/ %G ru %F DM_1993_5_3_a7