%0 Journal Article %A A. V. Zavarnitsin %A V. D. Mazurov %T Element orders in coverings of symmetric and alternating %J Algebra i logika %D 1999 %P 296-315 %V 38 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1999_38_3_a2/ %G ru %F AL_1999_38_3_a2