Zimmerman, U. 1. (1981). Linear and combinatorial optimization in ordered algebraic structures. North-Holland Publishing Company.
Chicago-viite (17. p.)Zimmerman, Uwe 1947. Linear and Combinatorial Optimization in Ordered Algebraic Structures. Netherlands: North-Holland Publishing Company, 1981.
MLA-viite (9. p.)Zimmerman, Uwe 1947. Linear and Combinatorial Optimization in Ordered Algebraic Structures. North-Holland Publishing Company, 1981.
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