Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
This book uses elementary versions of modern methods found in sophisticated mathematics to discuss portions of 'advanced calculus' in which the subtlety of the concepts and methods makes rigor difficult to attain at an elementary level.