TY - BOOK AU - Drygas,Hilmar TI - Coordinate-free approach to Gauss-Markov estimation T2 - Lecutre notes in operations research and mathematical systems SN - 3540053263 U1 - (042.3)537.633 PY - 1970/// CY - Berlin PB - Springer - Verlag KW - Gauss-Markov estimation - lectures KW - economics - lectures ER -