1. Rayonnement et diffraction acoustique par un guide ouvert semi-infini;Aublin,1997
2. Acoustic and electromagnetic waves;Jones,1986
3. Growth properties of solutions of the reduced wave equation with a variable coefficient;Kato;Commun. Pure Appl. Math.,1959
4. Analytical techniques in the theory of guided waves;Mittra,1971
5. Uniqueness theorems for the Helmholtz equation in domains with infinite boundaries;Odeh;J. Math. Mech.,1963