Fraenkel, A. A. (1955). Integers and theory of numbers. Scripta mathematics.
Lua i Stíl Chicago (17ú heag.)Fraenkel, Abraham Adolf. Integers and Theory of Numbers. New York: Scripta mathematics, 1955.
Lua MLA (8ú heag.)Fraenkel, Abraham Adolf. Integers and Theory of Numbers. Scripta mathematics, 1955.
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