中国科学院数学与系统科学研究院期刊网
A Generalization of the Bernfeld-Haddock Conjecture and Its Proof
Tai Shan YI Li; Hong HUANG
Acta Mathematica Sinica, Chinese Series . 2007, (2): 261 -270 .  DOI: 10.12386/A2007sxxb0031