TY  - BOOK
AU  - Lions,J.L.
TI  - Optimal control of systems governed by partial differential equations
T2  - Die Grundlehren der mathematischen Wissenschaften; band 170
PY  - 1971///
CY  - Berlin
PB  - Springer-Verlag
N1  - Translated by Dr. S.K. Mitter
ER  -