%0 Journal Article %A N. D. Kan %T Martingale approach to the coupon collection problem %J Zapiski Nauchnykh Seminarov POMI %D 2002 %P 113-126 %V 294 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2002_294_a7/ %G ru %F ZNSL_2002_294_a7