@article{articlee3d29b36, title = {The non-twist standard map with robust tori}, author = {Martins, C G L and Egydio de Carvalho, R and Caldas, IberĂȘ Luiz and Roberto, M}, year = {2010}, doi = {10.1088/1751-8113/43/17/175501}, journal = {Mathematical and Theorical} }