New Reccurrence Formulas for the P...(z) and Q...(z). B. Meulenbeld — 1960 Monatshefte für Mathematik
The generalized Legendre functions with special relations between the parameters. B. Meulenbeld — 1961 Mathematische Zeitschrift
Integral transforms with generalized Legendre functions as kernels B. L. J. Braaksma; B. Meulenbeld — 1967 Compositio Mathematica