%0 Journal Article %A D. Mumford %T The topology of normal singularities of an algebraic surface and a criterion for simplicity %J Matematika %D 1966 %P 3-24 %V 10 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1966_10_6_a0/ %G ru %F MAT_1966_10_6_a0