%0 Journal Article %A E. M. Vechtomov %A A. A. Petrov %T Variety of semirings generated by two-element semirings with commutative idempotent multiplication %J Čebyševskij sbornik %D 2014 %P 12-30 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2014_15_3_a1/ %G ru %F CHEB_2014_15_3_a1