Dyfyniad APA

Walt, T. v. d. (1963). Fixed and almost fixed points (2nd ed.). Mathematisch Centrum.

Dyfyniad Arddull Chicago

Walt, T. van der. Fixed and Almost Fixed Points. 2nd ed. Amsterdam: Mathematisch Centrum, 1963.

Dyfyniad MLA

Walt, T. van der. Fixed and Almost Fixed Points. 2nd ed. Mathematisch Centrum, 1963.

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