@article{JEMS_2007_9_4_a8,
     author = {Helmut W. Hofer and Kris Wysocki and Eduard Zehnder},
     title = {A general {Fredholm} theory {I:} a splicing-based differential geometry},
     journal = {Journal of the European Mathematical Society},
     pages = {841--876},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {2007},
     doi = {10.4171/jems/99},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/99/}
}