517.5
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Knopp, Konrad.
Problem book in the theory of functions. / Konrad Knopp.
— [1st American ed.]. — New York : Dover Publications, [1948-53; v. 2, c1952] 2 v. ; 17 cm.
Contenido: v. 1. Problems in the elementary theory of functions. v.2 Problems in the advanced theory of functions
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