TY  - BOOK
AU  - Pontri︠a︡gin, L. S. [...et all].
TI  - The mathematical theory of optimal processes
U1  - 517 
PY  - 1962///
CY  - New York
PB  - Interscience Publishers
KW  - Mathematical optimization
N1  - Bibliography: p. 354-356. and index
ER  -