In this post, we will see the book *Infinite Series Ramifications* by G. M. Fichtenholz. This book is the Course 4 of the *Pocket Mathematical Library* series.

# About the book

The present volume of The Pocket Mathematical Library continues the study of infinite series begun in its companion volume Infinite Series: Rudiments, by the same author. Together the two volumes give a detailed treatment of the theory of numerical series, i.e., infinite series whose terms are numbers. The picture is then completed by a third volume, entitled Functional Series, which, as its name implies, is devoted to the study of infinite series whose terms are functions. The set of three volumes makes up a comprehensive treatise on all aspects of a key topic of pure and applied mathematics.

As in the companion volume, the problems appearing at the end of each section constitute an important part of the course, and…

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