%0 Journal Article %A E. I. Timoshenko %T Theories of relatively free solvable groups with extra predicate %J Algebra i logika %D 2018 %P 456-475 %V 57 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2018_57_4_a3/ %G ru %F AL_2018_57_4_a3