@article{AFST_2014_6_23_4_907_0,
     author = {Gutt, Jean},
     title = {Generalized {Conley-Zehnder} index},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {907--932},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 23},
     number = {4},
     year = {2014},
     doi = {10.5802/afst.1430},
     zbl = {06374894},
     mrnumber = {3270429},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/afst.1430/}
}