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