1 Table of Contents: “...CALCULUS OF VARIATIONS I - The Lagrangian Formalism: Part I: The First Variation and Necessary...”

2 “... applications to finite- and infinite-dimensional spaces. The book is divided into three parts. The first part...”

3 “... divided in two parts. In the first part we illustrate the numerical systems of reals, of integers as a...”

4 “... as an indispensable part of the intellectual equipment of every cultured person. Today the traditional place...”

5 “... and the origins partly in applied problems - such as those of geometric optics - of parts of the theory. A variety...”