TY - BOOK AU - Drygas,Hilmar TI - Coordinate-free approach to Gauss-Markov estimation T2 - Lecture notes in operations research and mathematical systems SN - 0387053263 (New York) PY - 1970/// CY - Berlin, New York PB - Springer-Verlag KW - Estimation theory KW - Regression analysis KW - Vector spaces ER -