@article{CRMATH_2006__342_3_175_0,
     author = {Pong\'erard, Patrice and Wagschal, Claude},
     title = {Op\'erateurs de {Fuchs} non lin\'eaires},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {175--178},
     publisher = {Elsevier},
     volume = {342},
     number = {3},
     year = {2006},
     doi = {10.1016/j.crma.2005.11.014},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2005.11.014/}
}