@article{GDZPPN002050137,
title = {On billiard arcs},
journal = {Beitr\"age zur Algebra und Geometrie = Contributions to algebra and geometry},
volume = {30},
year = {1990},
pages = {155-166},
url = {http://dml.mathdoc.fr/item/GDZPPN002050137}
}
Bezdek, K. On billiard arcs. Beiträge zur Algebra und Geometrie = Contributions to algebra and geometry, Tome 30 (1990) pp. 155-166. http://gdmltest.u-ga.fr/item/GDZPPN002050137/