%0 Journal Article %A Zhu, Zewen %A Coster, Daniel C. %A Beasley, Leroy B. %T Properties of a covariance matrix with an application to $D$-optimal design %J The electronic journal of linear algebra %D 2003 %P 65-76 %V 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2003__10__a19/ %G en %F ELA_2003__10__a19