ψsr(a1,a2,,arb1,b2,,bs;q,z)=ψsr(a1,a2,,ar;b1,b2,,bs;q,z)=n=(a1,a2,,ar;q)n(1)(sr)nq(sr)(n2)zn(b1,b2,,bs;q)n=n=0(a1,a2,,ar;q)n(1)(sr)nq(sr)(n2)zn(b1,b2,,bs;q)n+n=1(q/b1,q/b2,,q/bs;q)n(q/a1,q/a2,,q/ar;q)n(b1b2bsa1a2arz)n.