TY  - BOOK
AU  - Pontryagin, L. S.
AU  - Trirogoff. K. N.
TI  - Mathematical theory of optimal processes
T2  - "Translated by K. N. Trirogoff"
U1  - 515.64 
PY  - 1962///
CY  - New York
PB  - Interscience Publication
ER  -