TY - JOUR AU - Synówka-Bejenka, Ewa AU - Zontek, Stefan TI - On optimality of the orthogonal block design JO - Discussiones Mathematicae. Probability and Statistics PY - 2012 SP - 59 EP - 68 VL - 32 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DMPS_2012_32_1-2_a4/ LA - en ID - DMPS_2012_32_1-2_a4 ER -