@article{articled3777531, title = {Collisional effects in the tokamap}, author = {Schelin, A B and Viana, R L and Benkadda, S and Caldas, IberĂȘ Luiz}, year = {2011}, doi = {10.1016/j.physleta.2011.10.025}, journal = {PHYSICS LETTERS A} }