%0 Journal Article %A S. A. Drobyshevich %T A hybrid calculus for logic~$N^*$: Residual finiteness and decidability %J Algebra i logika %D 2011 %P 351-367 %V 50 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2011_50_3_a3/ %G ru %F AL_2011_50_3_a3