@article{10_4153_CJM_2004_006_8,
     author = {Kenny, Robert},
     title = {Estimates of {Hausdorff} {Dimension} for the {Non-Wandering} {Set} of an {Open} {Planar} {Billiard}},
     journal = {Canadian journal of mathematics},
     pages = {115--133},
     year = {2004},
     volume = {56},
     number = {1},
     doi = {10.4153/CJM-2004-006-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2004-006-8/}
}