TY  - BOOK
AU  - Carathéodory,Constantin
TI  - Calculus of variations and partial differential equations of the first order
AV  - QA315 C362
PY  - 1965///-1967
CY  - San francisco
PB  - Holden-day
KW  - Cálculo de variaciones
KW  - Ecuaciones diferenciales
ER  -