Dover Publications, 1945. - 170 p.
This is the second volume in the five volume set THE THEORY OF FUNCTIONS prepared by Konrad Knopp, a mathematician of international renown. It may be used separately, or with other volumes in the series, or with any other text on theory of functions. It is unusual in its field in being concise, clear, easy to follow, yet complete and rigorous.Demonstrations are full and proofs are given in detail.