Huygens' principle for the non-self-adjoint scalar wave equation on Petrov type III space-times

Anderson, W. G.; McLenaghan, R. G.; Sasse, F. D.

Annales de l'I.H.P. Physique théorique, Volume 70 (1999) p. 259-276

Complete solution of Hadamard's problem for the scalar wave equation on Petrov type III space-times

Czapor, S. R.; McLenaghan, R. G.; Sasse, F. D.

Annales de l'I.H.P. Physique théorique, Volume 71 (1999) p. 595-620

Nonexistence of Petrov type III space-times on which Weyl's neutrino equation or Maxwell's equations satisfy Huygens' principle

McLenaghan, R. G.; Sasse, F. D.

Annales de l'I.H.P. Physique théorique, Volume 65 (1996) p. 253-271