@article{10_4064_cm93_2_9,
     author = {Roland Zweim\"uller},
     title = {Exact ${\cal C}^{\infty }$ covering maps of the circle
 without (weak) limit measure},
     journal = {Colloquium Mathematicum},
     pages = {295--302},
     publisher = {mathdoc},
     volume = {93},
     number = {2},
     year = {2002},
     doi = {10.4064/cm93-2-9},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm93-2-9/}
}