@article{10_1090_S0894_0347_00_00334_9,
     author = {Keeler, Dennis},
     title = {Criteria for {\dh}œŽ-ampleness},
     journal = {Journal of the American Mathematical Society},
     pages = {517--532},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2000},
     doi = {10.1090/S0894-0347-00-00334-9},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-00-00334-9/}
}