Problem book in the theory of functions : Vol. I, problems in the elementary theory of functions / by Dr. Konrad Knopp. Aufgabensammlung zur Funkionentheorie Knopp, Konrad, 1882-1957. Bers, Lipman. Bagemihl, Frederick. Knopp, Konrad, 1882-1957. Aufgabensammlung zur Funktionentheorie. Functions. 517.5076 KNP V. 1 translated by L. Bers ; v. 2 translated by F. Bagemihl. Translation of : Aufgabensammlung zur Funktionentheorie. New York : Dover Publications, [1948-52] [1948-52] 1948 Text 126 : eng Dover series in mathematics and physics Dover series in mathematics and physics.