1. Lu Q K. On Kähler manifolds with constant curvature. Acta Math Sin, Chin Ser, 16: 269–281 (1966); Chinese Mathematics, 8: 283–298 (1966)
2. Skwarczynski M. The distance in theory of pseu-conformal transformations and the Lu Qi-Keng conjecture. Proc Amer Math Soc, 22: 305–310 (1969)
3. Greene R E, Wu H. Function theory on manifolds which possess a pole. Lect Notes in Math, Vol 699. Berlin: Springer-Verlag, 1979
4. Krantz S G. Function Theory of Complex Variables. New York: John Wiley & Sons, 1982, 53
5. Jarnicki M, Pflug P. Invariant Distances and Metrics in Complex Analysis. Berlin-New York: Walter de Gruyter, 1993, 184