Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1991__41_1_a10, author = {Fe\v{c}kan, Michal}, title = {Note on a {Poincar\'e} map}, journal = {Mathematica slovaca}, pages = {83--87}, publisher = {mathdoc}, volume = {41}, number = {1}, year = {1991}, mrnumber = {1094987}, zbl = {0761.58044}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1991__41_1_a10/} }
Fečkan, Michal. Note on a Poincaré map. Mathematica slovaca, Tome 41 (1991) no. 1, pp. 83-87. http://geodesic.mathdoc.fr/item/MASLO_1991__41_1_a10/