Carathéodory, C. Calculus of variations and partial differential equations of the first order (2. print.). Holden-Day.
Chicago-Zitierstil (17. Ausg.)Carathéodory, Constantin. Calculus of Variations and Partial Differential Equations of the First Order. 2. print. San Francisco: Holden-Day.
MLA-Zitierstil (9. Ausg.)Carathéodory, Constantin. Calculus of Variations and Partial Differential Equations of the First Order. 2. print. Holden-Day.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.