@article{article7f38af39,
title   = {Anosov flows and invariant measures in constrained mechanical systems},
author = {Oliva, Waldyr Muniz and Terra, Gláucio and Kobayashi, Marcelo H},
year = {2008},
doi = {10.11606/issn.2316-9028.v2i1p55-76},
journal   = {São Paulo Journal of Mathematical Sciences}
}