@article{1104251871, author = {Moeckel, Richard}, title = {A nonintegrable model in general relativity}, journal = {Comm. Math. Phys.}, volume = {143}, number = {2}, year = {1992}, pages = { 415-430}, language = {en}, url = {http://dml.mathdoc.fr/item/1104251871} }
Moeckel, Richard. A nonintegrable model in general relativity. Comm. Math. Phys., Tome 143 (1992) no. 2, pp. 415-430. http://gdmltest.u-ga.fr/item/1104251871/