Caratheodory, K., Dean, R. B., & Brandstatter, J. J. (1982). Calculus of variations and partial differential equations of the first order (Second revised english edition.). Chelsea Pub. Co.
Style de citation Chicago (17e éd.)Caratheodory, Konstantin, Robert B. Dean, et Julius J. Brandstatter. Calculus of Variations and Partial Differential Equations of the First Order. Second revised english edition. New York, N.Y.: Chelsea Pub. Co, 1982.
Style de citation MLA (8e éd.)Caratheodory, Konstantin, et al. Calculus of Variations and Partial Differential Equations of the First Order. Second revised english edition. Chelsea Pub. Co, 1982.
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