@article{AL_2018_57_4_a3,
     author = {E. I. Timoshenko},
     title = {Theories of relatively free solvable groups with extra predicate},
     journal = {Algebra i logika},
     pages = {456--475},
     publisher = {mathdoc},
     volume = {57},
     number = {4},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2018_57_4_a3/}
}