@article{1028998430, author = {Gary, John}, title = {The topological structure of trajectories.}, journal = {Michigan Math. J.}, volume = {7}, number = {1}, year = {1960}, pages = { 225-227}, language = {en}, url = {http://dml.mathdoc.fr/item/1028998430} }
Gary, John. The topological structure of trajectories.. Michigan Math. J., Tome 7 (1960) no. 1, pp. 225-227. http://gdmltest.u-ga.fr/item/1028998430/