@article{02074344,
title = {Billiards: models with chaotic dynamics.},
journal = {Bolet\'\i n de la Asociaci\'on Matem\'atica Venezolana},
volume = {9},
year = {2002},
pages = {109-140},
zbl = {1060.37032},
language = {en},
url = {http://dml.mathdoc.fr/item/02074344}
}
Markarian, Roberto. Billiards: models with chaotic dynamics.. Boletín de la Asociación Matemática Venezolana, Tome 9 (2002) pp. 109-140. http://gdmltest.u-ga.fr/item/02074344/