@article{1103859442, author = {Papapetrou, A.}, title = {Shock waves in the Newman-Penrose formalism}, journal = {Comm. Math. Phys.}, volume = {29}, number = {1}, year = {1973}, pages = { 229-236}, language = {en}, url = {http://dml.mathdoc.fr/item/1103859442} }
Papapetrou, A. Shock waves in the Newman-Penrose formalism. Comm. Math. Phys., Tome 29 (1973) no. 1, pp. 229-236. http://gdmltest.u-ga.fr/item/1103859442/