@article{1103857111, author = {Matzner, Richard A.}, title = {Collisionless radiation in closed cosmologies}, journal = {Comm. Math. Phys.}, volume = {20}, number = {1}, year = {1971}, pages = { 1-8}, language = {en}, url = {http://dml.mathdoc.fr/item/1103857111} }
Matzner, Richard A. Collisionless radiation in closed cosmologies. Comm. Math. Phys., Tome 20 (1971) no. 1, pp. 1-8. http://gdmltest.u-ga.fr/item/1103857111/