@article{GDZPPN002485656,
title = {Abelian Cocycles for Nonsingular Ergodic Transformations and the Genericity of Type III... Transformations.},
journal = {Monatshefte f\"ur Mathematik},
volume = {104},
year = {1987},
pages = {187-206},
zbl = {0623.58010},
url = {http://dml.mathdoc.fr/item/GDZPPN002485656}
}
Choksi, J.R.; Hawkins, J.M. Abelian Cocycles for Nonsingular Ergodic Transformations and the Genericity of Type III... Transformations.. Monatshefte für Mathematik, Tome 104 (1987) pp. 187-206. http://gdmltest.u-ga.fr/item/GDZPPN002485656/