@article{hal-00133481,
author = {Cassaigne, J. and Hubert, P. and Troubetzkoy, S.},
title = {Complexity and growth for polygonal billiards},
journal = {HAL},
volume = {2002},
number = {0},
year = {2002},
language = {en},
url = {http://dml.mathdoc.fr/item/hal-00133481}
}
Cassaigne, J.; Hubert, P.; Troubetzkoy, S. Complexity and growth for polygonal billiards. HAL, Tome 2002 (2002) no. 0, . http://gdmltest.u-ga.fr/item/hal-00133481/