%0 Journal Article %A I. P. Kramarev %T Probabilistic zeta functions of subgroup functors %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2009 %P 20-23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2009_1_a4/ %G ru %F VMUMM_2009_1_a4