%0 Journal Article %A G. I. Ivchenko %T On some distributions connected with the waiting time in a polynomial scheme %J Teoriâ veroâtnostej i ee primeneniâ %D 1975 %P 557-570 %V 20 %N 3 %U http://geodesic.mathdoc.fr/item/TVP_1975_20_3_a5/ %G ru %F TVP_1975_20_3_a5