TY - JOUR AU - Czesław St/epniak TI - Characterizing experimental designs by properties of the standard quadratic forms of observations JO - Applicationes Mathematicae PY - 2007 SP - 39 EP - 45 VL - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am34-1-4/ DO - 10.4064/am34-1-4 LA - en ID - 10_4064_am34_1_4 ER -