中国科学院数学与系统科学研究院期刊网
JSSC
A New Estimator of Covariance Matrix via Partial Iwasawa Coordinates
XU Kai
A New Estimator of Covariance Matrix via Partial Iwasawa Coordinates
XU Kai
Journal of Systems Science and Complexity . 2017, (5): 1173 -1188 .  DOI: 10.1007/s11424-017-6007-x