Giaquinta, M., & Hildebrandt, S. Calculus of Variations II. Springer International Publishing.
Style de citation Chicago (17e éd.)Giaquinta, Mariano, et Stefan Hildebrandt. Calculus of Variations II. Cham: Springer International Publishing.
Style de citation MLA (8e éd.)Giaquinta, Mariano, et Stefan Hildebrandt. Calculus of Variations II. Springer International Publishing.
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