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Note on certain polynomial solutions of Heun’s equation and two confluent forms. (English) Zbl 0314.34010


MSC:

34A05 Explicit solutions, first integrals of ordinary differential equations
34B30 Special ordinary differential equations (Mathieu, Hill, Bessel, etc.)
26C05 Real polynomials: analytic properties, etc.
42C05 Orthogonal functions and polynomials, general theory of nontrigonometric harmonic analysis