@article{AL_2007_46_4_a0,
     author = {A. I. Budkin},
     title = {The quasivariety generated by a~torsion-free {Abelian-by-finite} group},
     journal = {Algebra i logika},
     pages = {407--427},
     publisher = {mathdoc},
     volume = {46},
     number = {4},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2007_46_4_a0/}
}