Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{IM_1972__16_142143, author = {Alan Weinstein}, title = {The {Invariance} of {Poincar\'e's} {Generating} {Function} for {Canonical} {Transformations.}}, journal = {Inventiones mathematicae}, pages = {202--213}, publisher = {mathdoc}, volume = {16}, year = {1972}, zbl = {0235.70008}, url = {http://geodesic.mathdoc.fr/item/IM_1972__16_142143/} }
Alan Weinstein. The Invariance of Poincaré's Generating Function for Canonical Transformations.. Inventiones mathematicae, Tome 16 (1972), pp. 202-213. http://geodesic.mathdoc.fr/item/IM_1972__16_142143/