Geometry of Complex Numbers " Zerlina and Leporello's duet

" Zerlina and Leporello's duet "Per queste tue manine

arithmetic functions

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Solutions to the problems (often accompanied by detailed explanations) can be found in an appendix

Geometry of Complex Numbers " Zerlina and Leporello's duet"This book should be in every library, and every expert in classical function theory should be familiar with this material. The author has performed a distinct service by making this material so conveniently accessible in a single book." Mathematical Review Since its initial publication in 1962, Professor Schwerdtfeger's illuminating book has been widely praised for generating a deeper understanding of the geometrical theory of analytic functions as