%0 Journal Article %A Lim, Yongdo %T Best Approximation in Riemannian Geodesic Submanifolds of Positive Definite Matrices %J Canadian journal of mathematics %D 2004 %P 776-793 %V 56 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2004-035-5/ %R 10.4153/CJM-2004-035-5 %F 10_4153_CJM_2004_035_5