TY  - BOOK
AU  - Courant, R.
TI  - Calculus of variations, 1945-46 with supplementary notes and exercises by Martin Kruskal and Hanan Rubin
T2  - Courant Institute lecture notes
U1  - 515.64 
PY  - 0000///n.d
CY  - New York
PB  - Courant Instt. of Mathematical Sciences
ER  -