@article{1103857156, author = {K\"unzle, H. P.}, title = {On the spherical symmetry of a static perfect fluid}, journal = {Comm. Math. Phys.}, volume = {20}, number = {1}, year = {1971}, pages = { 85-100}, language = {en}, url = {http://dml.mathdoc.fr/item/1103857156} }
Künzle, H. P. On the spherical symmetry of a static perfect fluid. Comm. Math. Phys., Tome 20 (1971) no. 1, pp. 85-100. http://gdmltest.u-ga.fr/item/1103857156/