@article{1103857227, author = {Massa, Enrico}, title = {A new approach to the problem of motion in general relativity}, journal = {Comm. Math. Phys.}, volume = {20}, number = {1}, year = {1971}, pages = { 279-290}, language = {en}, url = {http://dml.mathdoc.fr/item/1103857227} }
Massa, Enrico. A new approach to the problem of motion in general relativity. Comm. Math. Phys., Tome 20 (1971) no. 1, pp. 279-290. http://gdmltest.u-ga.fr/item/1103857227/