The Lamé (or ellipsoidal) wave equation is given by
in which is another parameter. In the case , (29.11.1)
reduces to Lamé’s equation (29.2.1).
For properties of the solutions of (29.11.1) see
Arscott (1956, 1959),
Arscott (1964b, Chapter X), Erdélyi et al. (1955, §16.14),
Fedoryuk (1989), and Müller (1966a, b, c).