%0 Journal Article %A E. A. Palyutin %T The number of $P$-expansions of Abelian groups %J Algebra i logika %D 2013 %P 255-258 %V 52 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2013_52_2_a7/ %G ru %F AL_2013_52_2_a7