Contents
Preface to the Fourth Printing xi
Preface to the Second Edition xiii
Preface to the First Edition xv
PART I. CALCULUS OF VARIATIONS
Section 1. Introduction 3
Section 2. Example Solved 12
Section 3. Simplest Problem—Euler Equation 14
Section 4. Examples and Interpretations 21
Section 5. Solving the Euler Equation in Special Case ...


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