@article {509, title = {Damping control law for a chaotic impact oscillator}, journal = {Chaos, Solitons \& Fractals}, volume = {32}, year = {2007}, month = {Jan-04-2007}, pages = {745 - 750}, issn = {09600779}, doi = {10.1016/j.chaos.2005.11.046}, url = {http://linkinghub.elsevier.com/retrieve/pii/S0960077905011094http://api.elsevier.com/content/article/PII:S0960077905011094?httpAccept=text/xmlhttp://api.elsevier.com/content/article/PII:S0960077905011094?httpAccept=text/plain}, author = {S.L.T. de Souza and I. L. Caldas and R L Viana} }