Introduction To The Calculus Of Variations (2nd Edition) - Bernard (ecole Polytechnique Federale De Lausanne (epfl) Dacorogna - Bog - Imperial College
The calculus of variations is one of the oldest subjects in mathematics. Suitable for a course at both undergraduate and graduate levels, this title helps the non-specialist discover the subject's most important problems, results and techniques. It also includes a chapter on regularity, and features 103 exercises with detailed solutions.