Knopp, K. (1945). Theory of functions (1. American ed.). Dover Publ.
Chicago-čujuhus (17. p.)Knopp, Konrad. Theory of Functions. 1. American ed. New York, NY: Dover Publ, 1945.
MLA-čujuhus (9. p.)Knopp, Konrad. Theory of Functions. 1. American ed. Dover Publ, 1945.
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