A.D. Alexandrov is considered by many to be the father of intrinsic geometry, second only to Gauss in surface theory. That appraisal stems primarily from this masterpiece--now available in its entirel
Infinitesimal analysis, once a synonym for calculus, is now viewed as a technique for studying the properties of an arbitrary mathematical object by discriminating between its standard and nonstandard
Another in a translated (from the Russian) series devoted to aspects of nonstandard analysis, this text is an exposition of the branch of mathematics that is also referred to as robinsonian analysis.
