We ask users to provide proof(s), reference(s) to proof(s), or further clarification on the proof(s) in this space.
-ultraspherical/Rogers polynomial : http://dlmf.nist.gov/18.28#E13
: -Pochhammer symbol : http://dlmf.nist.gov/5.18#i http://dlmf.nist.gov/17.2#SS1.p1
: continuous -Jacobi-Rahman-polynomial : http://drmf.wmflabs.org/wiki/Definition:ctsqJacobiRahman
We ask users to provide relevant URL links in this space.