@article{IM2_1974_8_1_a5, author = {A. S. Mishchenko}, title = {Infinite-dimensional representations of discrete groups, and higher signatures}, journal = {Izvestiya. Mathematics}, pages = {85--111}, year = {1974}, volume = {8}, number = {1}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1974_8_1_a5/} }