中国科学院数学与系统科学研究院期刊网
Generalized Steepness Lemma of Projected Gradient Operator and Its Applications
Chang Yu WANG(1),Zun Quan XIA(
Acta Mathematica Sinica, Chinese Series . 2003, (2): 251 -260 .  DOI: 10.12386/A2003sxxb0033