@inproceedings{inproceedings70240242, title = {A note on random walks and sef-avoiding random walks on homogeneous tress}, author = {Lebensztayn, Élcio and Machado, Fábio Prates and Martinez, Mauricio Zuluaga}, year = {2005}, publisher = {IME-USP}, booktitle = {Brazilian Conference on Statistical Modelling in Insurance and Finance} }