@article{1103842580, author = {Hawking, Stephen W.}, title = {The conservation of matter in general relativity}, journal = {Comm. Math. Phys.}, volume = {16}, number = {1}, year = {1970}, pages = { 301-306}, language = {en}, url = {http://dml.mathdoc.fr/item/1103842580} }
Hawking, Stephen W. The conservation of matter in general relativity. Comm. Math. Phys., Tome 16 (1970) no. 1, pp. 301-306. http://gdmltest.u-ga.fr/item/1103842580/