@article{10_2140_agt_2007_7_1275,
     author = {Lisca, Paolo and Stipsicz, Andras I},
     title = {Contact {Ozsv\'ath{\textendash}Szab\'o} invariants and {Giroux} torsion},
     journal = {Algebraic and Geometric Topology},
     pages = {1275--1296},
     year = {2007},
     volume = {7},
     number = {3},
     doi = {10.2140/agt.2007.7.1275},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.1275/}
}