Pushing the limits : Infinitesimal calculus / 
Duran, Antonio J. 
 - london :  RBA coleccionables ,  c2012 
 - 143p. :  ill. ;  23cm. 
<br/><br/><label>ISBN: </label>2050 649x 
<br/><br/><label>Subjects--Topical Terms: </label>--mathematics
<br/><br/><label>Dewey Class. No.: </label>515.09 DUR