@article{AIHPA_1982__37_3_211_0,
     author = {McLenaghan, R. G.},
     title = {Huygens' principle},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {211--236},
     publisher = {Gauthier-Villars},
     volume = {37},
     number = {3},
     year = {1982},
     mrnumber = {694586},
     zbl = {0528.35057},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1982__37_3_211_0/}
}