APA (7th ed.) Citation

Hildebrandt, S., & Leis, R. (1988). Partial Differential Equations and Calculus of Variations. Springer. https://doi.org/10.1007/BFb0082859

Chicago Style (17th ed.) Citation

Hildebrandt, Stefan, and Rolf Leis. Partial Differential Equations and Calculus of Variations. Berlin [u.a.]: Springer, 1988. https://doi.org/10.1007/BFb0082859.

MLA (9th ed.) Citation

Hildebrandt, Stefan, and Rolf Leis. Partial Differential Equations and Calculus of Variations. Springer, 1988. https://doi.org/10.1007/BFb0082859.