@article{AFST_2010_6_19_3-4_457_0,
     author = {Kallel, Sadok and Sjerve, Denis},
     title = {Invariant {Spin} {Structures} on {Riemann} {Surfaces}},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {457--477},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 19},
     number = {3-4},
     year = {2010},
     doi = {10.5802/afst.1251},
     zbl = {1213.14065},
     mrnumber = {2790803},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/afst.1251/}
}