@article{10_4153_CJM_2007_031_2,
     author = {Billig, Yuly},
     title = {Jet {Modules}},
     journal = {Canadian journal of mathematics},
     pages = {712--729},
     year = {2007},
     volume = {59},
     number = {4},
     doi = {10.4153/CJM-2007-031-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2007-031-2/}
}