@article{01332090,
title = {Nonsingular cocycles and piecewise linear time changes.},
journal = {Acta Mathematica Universitatis Comenianae. New Series},
volume = {66},
year = {1997},
pages = {1-20},
zbl = {0928.37001},
language = {en},
url = {http://dml.mathdoc.fr/item/01332090}
}
Madden, K.M.; Markley, N.G. Nonsingular cocycles and piecewise linear time changes.. Acta Mathematica Universitatis Comenianae. New Series, Tome 66 (1997) pp. 1-20. http://gdmltest.u-ga.fr/item/01332090/