@InProceedings{l04-p349-358, AUTHOR = {Herv\'e Br\"onnimann and Marc Glisse}, TITLE = {Cost Optimal Trees for Ray Shooting}, YEAR = 2004, ADDRESS = {Buenos Aires, Argentina}, BOOKTITLE = {Proc.~of the 6th Latin American Symposium on Theoretical Informatics (LATIN'04)}, PAGES = {349--358}, KEYWORDS = {}}