@article{IM2_1976_10_2_a6,
     author = {M. A. Naimark},
     title = {The direct integral of pairs of dual spaces},
     journal = {Izvestiya. Mathematics},
     pages = {339--349},
     year = {1976},
     volume = {10},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1976_10_2_a6/}
}