@article{1177703759,
author = {Ylvisaker, N. Donald},
title = {Lower Bounds for Minimum Covariance Matrices in Time Series Regression Problems},
journal = {Ann. Math. Statist.},
volume = {35},
number = {4},
year = {1964},
pages = { 362-368},
language = {en},
url = {http://dml.mathdoc.fr/item/1177703759}
}
Ylvisaker, N. Donald. Lower Bounds for Minimum Covariance Matrices in Time Series Regression Problems. Ann. Math. Statist., Tome 35 (1964) no. 4, pp. 362-368. http://gdmltest.u-ga.fr/item/1177703759/