@article{ERAAMS_1995_01_1_a5,
     author = {Katayama, Yoshikazu and Sutherland, Colin and Takesaki, Masamichi},
     title = {The intrinsic invariant of an approximately finite dimensional factor and the cocycle conjugacy of discrete amenable group actions},
     journal = {Electronic research announcements of the American Mathematical Society},
     pages = {43--47},
     publisher = {mathdoc},
     volume = {01},
     number = {1},
     year = {1995},
     doi = {10.1090/S1079-6762-95-01006-7},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-95-01006-7/}
}