@article{AIHPA_1975__22_3_217_0, author = {Greco, Antonio}, title = {Discontinuit\'es des rayons et stricte exceptionnalit\'e en magn\'etohydrodynamique relativiste}, journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique}, pages = {217--227}, publisher = {Gauthier-Villars}, volume = {22}, number = {3}, year = {1975}, zbl = {0315.76063}, language = {fr}, url = {http://www.numdam.org/item/AIHPA_1975__22_3_217_0/} }