%0 Journal Article %A S. A. Safonov %T Groups with a class of unattainable isoordic $\Pi d$-subgroups %J Doklady Akademii Nauk %D 1960 %P 26-28 %V 130 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_130_1_a5/ %G ru %F DAN_1960_130_1_a5