中国科学院数学与系统科学研究院期刊网
Tight K-Frames in Hilbert Spaces
Ming Ling DING, Xiang Chun XIAO, Xiao Ming ZENG
Acta Mathematica Sinica, Chinese Series . 2013, (1): 105 -112 .  DOI: 10.12386/A2013sxxb0011