TY  - BOOK
AU  - Kirk,Donald E.
TI  - Optimal control theory: an introduction 
SN  - 0136380980
PY  - 1970///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Control theory
KW  - Mathematical optimization
N1  - With answers to selected problems
ER  -