Mathijs S. Dijkhuizen, Some remarks on the construction of quantum symmetric spaces, Acta Appl. Math. 44 (1996), no. 1-2, 59–80 doi
Mathijs S. Dijkhuizen, Masatoshi Noumi, A family of quantum projective spaces and related -hypergeometric orthogonal polynomials, Trans. Amer. Math. Soc. 350 (1998) 3269–3296 doi