@article{01049452, title = {A hypercontinuous hypersmooth Schwarzschild line element transformation.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {20}, year = {1997}, pages = {201-204}, doi = {10.1155/S0161171297000252}, zbl = {0876.03038}, language = {en}, url = {http://dml.mathdoc.fr/item/01049452} }
Herrmann, Robert A. A hypercontinuous hypersmooth Schwarzschild line element transformation.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 201-204. doi : 10.1155/S0161171297000252. http://gdmltest.u-ga.fr/item/01049452/