@article{GT_2009_13_2_a16,
     author = {Anjos, S{\'\i}lvia and Lalonde, Fran\c{c}ois and Pinsonnault, Martin},
     title = {The homotopy type of the space of symplectic balls in rational ruled 4{\textendash}manifolds},
     journal = {Geometry & topology},
     pages = {1177--1227},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2009},
     doi = {10.2140/gt.2009.13.1177},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2009.13.1177/}
}