
Keywords: 33C50; 33D50; 33C45; 33D45; Disc polynomials; Zernike polynomials; 2D-Laguerre polynomials; q-2D-Laguerre polynomials; Generating functions; Ladder operators; q-Sturm-Liouville equations; q-integrals; q-Zernike polynomials; 2D-Jacobi polynomials; q-2D-J