TY - JOUR AU - Wimmer, Gejza TI - Bad luck in quadratic improvement of the linear estimator in a special linear model JO - Applications of Mathematics PY - 1998 SP - 1 EP - 7 VL - 43 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1023/A:1022290206923/ DO - 10.1023/A:1022290206923 LA - en ID - 10_1023_A_1022290206923 ER -