33Dxx Basic hypergeometric functions

33D05  $q$-gamma functions, $q$-beta functions and integrals
33D10  Basic theta functions
33D15  Basic hypergeometric functions in one variable
33D20  Generalized basic hypergeometric series
33D45  Basic orthogonal polynomials and functions in one and
               several variables
33D55  Basic spherical functions, spherical harmonics (continuous
               and discrete)
33D60  Basic hypergeometric integrals and functions defined by
               them
33D65  Bibasic functions and multiple bases
33D70  Other basic hypergeometric functions and integrals in
               several variables
33D80  Connections with groups, algebras, and related topics
33D90  Applications
33D99  None of the above but in this section