TY  - BOOK
AU  - Lions J L
AU  - Mitter S K
TI  - Optimal control of systems governed by partial differential equations
U1  - 515.353 
PY  - 1971///
CY  - Berlin
PB  - Springer Verlag
KW  - Calculus
KW  - Partial differential equations
N1  - Tr from French
ER  -