TY  - BOOK
AU  - Aubin Jean-Pierre
TI  - Viability theory:  New directions   
SN  - 9783642166839
U1  - X:B, Q1 
PY  - 2011///
CY  - London
PB  - Springer          
KW  - Economics
N1  - Bibliography: P 789-96
ER  -