TY  - BOOK
AU  - Gabasov R
AU  -  Kirillova F
TI  - Qualitative theory of optimal processes
T2  - Control and systems theory; 3
U1  - B2893, L6 
PY  - 1976///
CY  - New York    
PB  -  Marcel Dekker       
KW  - Qualitative theory
ER  -