1
Mathematical methods in the physical sciences /
Book
...MLE - Calculus of variations...
Table of Contents 
2
Mathematik für Physiker. 3 /
Book
...MLE - Calculus of variations...
Table of Contents 
3
Introduction to the calculus of variations.
Book
...MLE - Calculus of variations...
4
Variationsrechnung.
Book
...MLE - Calculus of variations...