@article{AIHPA_1996__65_3_253_0,
     author = {McLenaghan, R. G. and Sasse, F. D.},
     title = {Nonexistence of {Petrov} type {III} space-times on which {Weyl's} neutrino equation or {Maxwell's} equations satisfy {Huygens'} principle},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {253--271},
     publisher = {Gauthier-Villars},
     volume = {65},
     number = {3},
     year = {1996},
     mrnumber = {1420704},
     zbl = {0869.53061},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1996__65_3_253_0/}
}