@misc{miscddacafb5,
title   = {Olimpíada Regional de Matemática de Ribeirão Preto, 3},
author = {Galvez, Américo López and Pires, Benito Frazão and Ebert, Marcelo Rempel and Azevedo, Kátia Andréia Gonçalves de and Dattori da Silva, Paulo Leandro and Mitrowsky, Rafael Andrés Rosales},
year = {2008}
}