TY  - BOOK
AU  - Levitin E S
TI  - Perturbation theory in mathyematical programming and its applications
U1  - 519.7 
PY  - 1994///
CY  - Chichester
PB  - John Wiley
KW  - Mathematical programming
KW  - Perturbation theory
KW  - Programming
ER  -