Zimmermann, U. e. (1981). Linear and combinatorial optimization in ordered algebraic structures. North-Holland Pub. Co. : sole distributors for the U.S.A. and Canada, Elsevier North-Holland.
Trích dẫn kiểu ChicagoZimmermann, U. ed. Linear and Combinatorial Optimization in Ordered Algebraic Structures. Amsterdam ; New York: North-Holland Pub. Co. : sole distributors for the U.S.A. and Canada, Elsevier North-Holland, 1981.
Trích dẫn MLAZimmermann, U. ed. Linear and Combinatorial Optimization in Ordered Algebraic Structures. North-Holland Pub. Co. : sole distributors for the U.S.A. and Canada, Elsevier North-Holland, 1981.
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