Courant, R. (1967). Dirichlet's principle, conformal mapping, and minimal surfaces (Third printing.). Interscience Publishers.
Chicago-Zitierstil (17. Ausg.)Courant, Richard. Dirichlet's Principle, Conformal Mapping, and Minimal Surfaces. Third printing. New York, NY: Interscience Publishers, 1967.
MLA-Zitierstil (9. Ausg.)Courant, Richard. Dirichlet's Principle, Conformal Mapping, and Minimal Surfaces. Third printing. Interscience Publishers, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.