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).


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.)