@article{SMJ2_2010_35_1_a5,
     author = {Julien, Julien},
     title = {On the {Asymptotic} {Distribution} of {Closed} {Orbits} for a {Class} of {Open} {Billiards}},
     journal = {Serdica Mathematical Journal},
     pages = {89--98},
     publisher = {mathdoc},
     volume = {35},
     number = {1},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2010_35_1_a5/}
}