@article{GT_2012_16_4_a8,
     author = {Franks, John and Handel, Michael},
     title = {Entropy zero area preserving diffeomorphisms of {S2}},
     journal = {Geometry & topology},
     pages = {2187--2284},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {2012},
     doi = {10.2140/gt.2012.16.2187},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2012.16.2187/}
}