TY - JOUR AU - K. Stange TI - International Journal of Abstracts -Statistical Theory and Method JO - Metrika PY - 1960 SP - 79 EP - 81 VL - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1960__3_175074/ ID - MET_1960__3_175074 ER -