Knopp, K. (1947). Theory of functions (1. American ed.). Dover Publ.
Lua i Stíl Chicago (17ú heag.)Knopp, Konrad. Theory of Functions. 1. American ed. New York, NY: Dover Publ, 1947.
Lua MLA (9ú heag.)Knopp, Konrad. Theory of Functions. 1. American ed. Dover Publ, 1947.
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