@article{AL_2007_46_4_a5,
     author = {N. S. Romanovskii},
     title = {Algebraic sets in metabelian groups},
     journal = {Algebra i logika},
     pages = {503--513},
     year = {2007},
     volume = {46},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2007_46_4_a5/}
}