@article{1183553676, author = {Weinstein, Alan}, title = {Symplectic groupoids and Poisson manifolds}, journal = {Bull. Amer. Math. Soc. (N.S.)}, volume = {16}, number = {1}, year = {1987}, pages = { 101-104}, language = {en}, url = {http://dml.mathdoc.fr/item/1183553676} }
Weinstein, Alan. Symplectic groupoids and Poisson manifolds. Bull. Amer. Math. Soc. (N.S.), Tome 16 (1987) no. 1, pp. 101-104. http://gdmltest.u-ga.fr/item/1183553676/