@article{DMGT_2010_30_4_a5,
     author = {Auger, David and Charon, Ir\`ene and Hudry, Olivier and Lobstein, Antoine},
     title = {On the existence of a cycle of length at least 7 in a (1,\ensuremath{\leq} 2)-twin-free graph},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {591--609},
     publisher = {mathdoc},
     volume = {30},
     number = {4},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2010_30_4_a5/}
}