%0 Journal Article %A V. A. Voblyi %T Enumeration of labeled, connected, homeomorphically irreducible graphs %J Matematičeskie zametki %D 1991 %P 12-22 %V 49 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1991_49_3_a1/ %G ru %F MZM_1991_49_3_a1