%0 Journal Article %A A. I. Budkin %T $Q$-theories of $2$-generated groups with a given %J Algebra i logika %D 1989 %P 513-523 %V 28 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1989_28_5_a2/ %G ru %F AL_1989_28_5_a2