@article{article1a3a14ed,
title   = {Renormalization for piecewise smooth homeomorphisms on the circle},
author = {Cunha, Kleyber and Smania, Daniel},
year = {2013},
doi = {10.1016/j.anihpc.2012.09.004},
journal   = {Annales de L'Institut Henri Poincaré : Analyse non Linéaire}
}