A First Course in Mathematical Analysis,A Primer of Infinitesimal Analysis - John L. Bell - Google Books,A Primer of Infinitesimal Analysis: Bell, John L.: 9780521624015: Amazon.com: Books,Primer infinitesimal analysis 2nd edition | Logic, categories and sets | Cambridge University Press,The Continuous, the Discrete and the Infinitesimal in Philosophy and Mathematics | SpringerLink