TY - JOUR AU - H. TruszczyƄska TI - Fixed precision estimation of the parameters of a linear regression model with unknown covariance structure JO - Applicationes Mathematicae PY - 1987 SP - 257 EP - 264 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-19-2-257-264/ DO - 10.4064/am-19-2-257-264 LA - en ID - 10_4064_am_19_2_257_264 ER -