@article{ZNSL_2005_326_a7,
     author = {A. S. Kechris},
     title = {Unitary representations and modular actions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {97--144},
     publisher = {mathdoc},
     volume = {326},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2005_326_a7/}
}