@article{IM_1990__100_2_143790,
     author = {Mohammed E.B. Bekka},
     title = {Amenable unitary representations of locally compact groups.},
     journal = {Inventiones mathematicae},
     pages = {383--402},
     publisher = {mathdoc},
     volume = {100},
     number = {2},
     year = {1990},
     zbl = {0702.22010},
     url = {http://geodesic.mathdoc.fr/item/IM_1990__100_2_143790/}
}