%0 Journal Article %A G. B. Lungu %T On the radicals of semigroup rings of 2-nilpotent semigroups %J Fundamentalʹnaâ i prikladnaâ matematika %D 1998 %P 461-466 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_1998_4_1_a26/ %G ru %F FPM_1998_4_1_a26