%0 Journal Article %A E. I. Timoshenko %T Primitive systems of elements in the variety $\mathfrak{AN}_2$ %J Algebra i logika %D 1998 %P 687-699 %V 37 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1998_37_6_a5/ %G ru %F AL_1998_37_6_a5