@article{AIHPA_1977__26_3_323_0, author = {McLenaghan, R. G.}, title = {Addendum \`a \guillemotleft{} R. G. McLenaghan : on the validity of Huygens' principle for second order partial differential equations with four independent variables. I \guillemotright{}}, journal = {Annales de l'I.H.P. Physique th\'eorique}, volume = {27}, year = {1977}, pages = {323-323}, language = {en}, url = {http://dml.mathdoc.fr/item/AIHPA_1977__26_3_323_0} }
McLenaghan, R. G. Addendum à « R. G. McLenaghan : on the validity of Huygens' principle for second order partial differential equations with four independent variables. I ». Annales de l'I.H.P. Physique théorique, Tome 27 (1977) p. 323. http://gdmltest.u-ga.fr/item/AIHPA_1977__26_3_323_0/
[1] XXI, no. 4, 1974, p. 347. | Numdam | MR 369926 | Zbl 0304.35063
, Ann. Inst. Henri Poincaré, Vol.