Carathéodory, C. Calculus of variations and partial differential equations of the first order. Holden-Day.
Chicago-Zitierstil (17. Ausg.)Carathéodory, Constantin. Calculus of Variations and Partial Differential Equations of the First Order. San Francisco, Calif: Holden-Day.
MLA-Zitierstil (9. Ausg.)Carathéodory, Constantin. Calculus of Variations and Partial Differential Equations of the First Order. Holden-Day.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.