@article{1178240494, author = {Sato, Hajime}, title = {Remarks concerning contact manifolds}, journal = {Tohoku Math. J. (2)}, volume = {29}, number = {4}, year = {1977}, pages = { 577-584}, language = {en}, url = {http://dml.mathdoc.fr/item/1178240494} }
Sato, Hajime. Remarks concerning contact manifolds. Tohoku Math. J. (2), Tome 29 (1977) no. 4, pp. 577-584. http://gdmltest.u-ga.fr/item/1178240494/