Polynomial solutions of differential equations with bi-orthogonal properties.(English)Zbl 0253.34001

Conf. Theory ordinary partial diff. Equ., Dundee/Scotland 1972, Lect. Notes Math. 280, 202-206 (1972).

MSC:

 34A30 Linear ordinary differential equations and systems 34A05 Explicit solutions, first integrals of ordinary differential equations 33C45 Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.)