@article{IM2_1978_12_2_a1,
     author = {V. A. Artamonov},
     title = {Projective metabelian groups and {Lie} algebras},
     journal = {Izvestiya. Mathematics},
     pages = {213--223},
     year = {1978},
     volume = {12},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1978_12_2_a1/}
}