@inproceedings{inproceedings5362bdae,
title   = {Generalized st-Numbering for simply connected graphs},
author = {Bueno, Letícia Rodrigues and Hausen, Rodrigo de Alencar and Mendonça Neto, Candido Ferreira Xavier de},
year = {2011},
publisher = {SOBRAPO},
booktitle   = {Simpósio Brasileiro de Pesquisa Operacional}
}