@article{DAN_1973_211_5_a4,
     author = {L. I. Vainerman and G. I. Kats},
     title = {Nonunimodular ring groups and {Hopf--von} {Neumann} algebras},
     journal = {Doklady Akademii Nauk},
     pages = {1031--1034},
     publisher = {mathdoc},
     volume = {211},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_211_5_a4/}
}