@article{AIHPB_1985__21_4_393_0,
     author = {Okazaki, Yoshiaki},
     title = {Equivalent-singular dichotomy for quasi-invariant ergodic measures},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
     pages = {393--400},
     publisher = {Gauthier-Villars},
     volume = {21},
     number = {4},
     year = {1985},
     mrnumber = {823083},
     zbl = {0582.60004},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPB_1985__21_4_393_0/}
}