in the definition (3.7.1)
of the dual q-Hahn polynomials after applying the substitution
and 
:
The dual Hahn polynomials given by (1.6.1) follow from the dual q-Hahn
polynomials by simply taking the limit in the definition (3.7.1)
of the dual q-Hahn polynomials after applying the substitution
and :
where
