Advanced-level text, now available in a single volume, discusses metric and normed spaces, continuous curves in metric spaces, measure theory, Lebesque interval

2012 Reprint of Volumes One and Two, 1957-1961. Exact facsimile of the original edition, not reproduced with Optical Recognition Software. A. N. Kolmogorov was

This book is an introductory text in functional analysis. Unlike many modern treatments, it begins with the particular and works its way to the more general. Fr

Functional analysis arose from traditional topics of calculus and integral and differential equations. This accessible text by an internationally renowned teach