R Courant

On the Theory of Conformal Mapping.

R Courant, R. Courant, 1936, Proceedings of the National Academy of Sciences of the United States of America.

Differential And Integral Calculus Vol-ii

R Courant, R. Courant, 1936 .

The Existence of a Minimal Surface of Least Area Bounded by Prescribed Jordan Arcs and Prescribed Surfaces.

R Courant, R. Courant, 1938, Proceedings of the National Academy of Sciences of the United States of America.