TY  - BOOK
T1  - Control theory and the calculus of variations.
A1  - Balakrishnan, A. V.
LA  - English
PP  - New York
PB  - Academic Press
YR  - 1969
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217607864733
OP  - 422
CN  - QA402.3 W67 1969
ER  -