TY - JOUR TI - Addendum to some useful Matrix Lemmas in Statistical Estimation Theory JO - Canadian mathematical bulletin PY - 1964 SP - 615 EP - 616 VL - 7 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-057-1/ DO - 10.4153/CMB-1964-057-1 ID - 10_4153_CMB_1964_057_1 ER -