%0 Journal Article %A V. D. Mazurov %A W. J. Shi %T A criterion of unrecognizability by spectrum for finite groups %J Algebra i logika %D 2012 %P 239-243 %V 51 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2012_51_2_a5/ %G ru %F AL_2012_51_2_a5