00957nam a2200265 i 450099100102456970753620020507181833.0941221s1957 us ||| | eng b10790548-39ule_instLE01305895ExLDip.to MatematicaengAMS 90-XXChurchman, Charles West2743Introduction to operations research /C. West Churchman, Russell L. Ackoff, E. Leonard ArnoffNew York :c1957x, 645 p. ;21 cmOperations researchAckoff, Russell L.Arnoff, E. Leonard.b1079054815-07-1928-06-02991001024569707536LE013 90-XX CHU11 (1957)12013000017266le013-E0.00-l- 01010.i1089106728-06-02Introduction to operations research514776UNISALENTOle01301-01-94ma -engus 01