TY  - BOOK
AU  - Courant R
TI  - Dirchlet's principle,conformal mapping, and minimal surfaces, with an appendix by M Schiffer
U1  - 515.9 
PY  - 1950///
CY  - N Y
PB  - Interscience Publisher
KW  - Calculus
KW  - Conformal mapping
ER  -