00803nam0-22002651i-450-99000276717040332120040315154201.0000276717FED01000276717(Aleph)000276717FED0100027671720030910d1961----km-y0itay50------bafreElements de recherche operationellede C.W. Churchman, R.L. Ackoff and E.L. ArnoffParisDunod1961Churchman,Charles West<1913- >2743Ackoff,Russell Lincoln<1919-2009>2990Arnoff,Leonard E.336066ITUNINARICAUNIMARCBK9900027671704033215-84tbECAECAElements de recherche operationelle424166UNINA