中国科学院数学与系统科学研究院期刊网
On the Stability and Perturbation of Riesz Frames
Yan Ni GUO,Jia Yun ZHOU
Acta Mathematica Sinica, Chinese Series . 2003, (4): 673 -682 .  DOI: 10.12386/A2003sxxb0090