Zangwill, W. (1979). Pathways To Solutions,Fixed Points, And Equilibria. Prentice - Hall.
Lua i Stíl Chicago (17ú heag.)Zangwill, W.I. Pathways To Solutions,Fixed Points, And Equilibria. Prentice - Hall, 1979.
Lua MLA (8ú heag.)Zangwill, W.I. Pathways To Solutions,Fixed Points, And Equilibria. Prentice - Hall, 1979.
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