Introduction to the calculus of variations and its applications (Chapman & Hall

Courant & John Introduction to calculus and Analysis Vol. II 1974 First printing

Introduction to the Calculus of Variations and Control with Modern Applications

Introduction to the Calculus of Variations (Dover Books on Mathematics)

Introduction to the Calculus of Variations (Chapman and Hall Mathematics Series

Introduction To The Calculus of Variations and Its Applications by Y.M. Wan 1995

Introduction to the Calculus of Variations and Control with Modern Applications

An Introduction to the Calculus of Variations (Dover Books on Mathematics), Fox,