%0 Journal Article %A J.D. Hey %T Coping with Complexity: Perspectives for Economics, Management and Social Sciences - Gottinger, H.W. %J Metrika %D 1985 %P 124-124 %V 32 %I mathdoc %U http://geodesic.mathdoc.fr/item/MET_1985__32_175994/ %F MET_1985__32_175994