TY - JOUR AU - Varga, Štefan TI - Quadratic estimations in mixed linear models JO - Applications of Mathematics PY - 1991 SP - 134 EP - 144 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1991.104450/ DO - 10.21136/AM.1991.104450 LA - en ID - 10_21136_AM_1991_104450 ER -