books.google.com - Elementary-level text by noted Soviet mathematician offers superb introduction to positive-integral elements of theory of continued fractions. Clear, straightforward presentation of the properties of the apparatus, the representation of numbers by continued fractions, and the measure theory of continued...http://books.google.com/books/about/Continued_fractions.html?id=R7Fp8vytgeAC&utm_source=gb-gplus-shareContinued fractions
