%0 Journal Article %A S. V. Platonova %T Varieties of two-step solvable algebras of type $(\gamma,\delta)$ %J Fundamentalʹnaâ i prikladnaâ matematika %D 2004 %P 157-180 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2004_10_3_a7/ %G ru %F FPM_2004_10_3_a7