@article{SM_1974_23_2_a2,
     author = {L. I. Vainerman and G. I. Kats},
     title = {Nonunimodular ring groups and {Hopf--von~Neumann} algebras},
     journal = {Sbornik. Mathematics},
     pages = {185--214},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1974},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1974_23_2_a2/}
}