@article{AIHPB_1982__18_1_81_0,
     author = {Kopf, Christoph},
     title = {Negative nonsingular transformations},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
     pages = {81--102},
     publisher = {Gauthier-Villars},
     volume = {18},
     number = {1},
     year = {1982},
     mrnumber = {646842},
     zbl = {0482.28028},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AIHPB_1982__18_1_81_0/}
}