@article{1103842283, author = {Leibovitz, Clement}, title = {A point mass in a Einstein universe}, journal = {Comm. Math. Phys.}, volume = {16}, number = {1}, year = {1970}, pages = { 177-178}, language = {en}, url = {http://dml.mathdoc.fr/item/1103842283} }
Leibovitz, Clement. A point mass in a Einstein universe. Comm. Math. Phys., Tome 16 (1970) no. 1, pp. 177-178. http://gdmltest.u-ga.fr/item/1103842283/