%0 Journal Article %A A. D. Ustyuzhaninov %T Finite 2-groups in which the set of self-centralizing abelian normal subgroups with at least three generators is empty ($SCN_3(2)=\varnothing$) %J Izvestiya. Mathematics %D 1973 %P 247-280 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1973_7_2_a0/ %G en %F IM2_1973_7_2_a0