01091nam--2200373---450-99000213192020331620090107100059.0000213192USA01000213192(ALEPH)000213192USA0100021319220041102d1969----km-y0itay0103----baengUS||||||||001yyIntroduction to operation researchWest C. Churchman, L.E. Arnoff, Russell Lincoln AckoffNew YorkWiley1969XII, 648 p.23 cm20012001001-------2001658.4CHURCHMAN,West C.568068ARNOFF,L. E.568069ACKOFF,Russel Lincoln613580ITsalbcISBD990002131920203316658.4 CHU 1 (IRA 3 55)7053 E.C.IRA 300010440BKECOSIAV61020041102USA011721RSIAV29020090107USA011000Introduction to operation research1742073UNISA