Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{IM_1983__73_143034, author = {C.C. Conley and E. Zehnder}, title = {The {Birkhoff-Lewis} {Fixed} {Point} {Theorem} and a {Conjecture} of {V.I.} {Arnold.}}, journal = {Inventiones mathematicae}, pages = {33--50}, publisher = {mathdoc}, volume = {73}, year = {1983}, zbl = {0516.58017}, url = {http://geodesic.mathdoc.fr/item/IM_1983__73_143034/} }
C.C. Conley; E. Zehnder. The Birkhoff-Lewis Fixed Point Theorem and a Conjecture of V.I. Arnold.. Inventiones mathematicae, Tome 73 (1983), pp. 33-50. http://geodesic.mathdoc.fr/item/IM_1983__73_143034/