@article{1178240777, author = {Blair, David E.}, title = {On the non-existence of flat contact metric structures}, journal = {Tohoku Math. J. (2)}, volume = {28}, number = {4}, year = {1976}, pages = { 373-379}, language = {en}, url = {http://dml.mathdoc.fr/item/1178240777} }
Blair, David E. On the non-existence of flat contact metric structures. Tohoku Math. J. (2), Tome 28 (1976) no. 4, pp. 373-379. http://gdmltest.u-ga.fr/item/1178240777/