TY  - BOOK
AU  - Cambini A and REFs Ed
ED  - Int. workshop on generalized convexity and fractional programming with economic application (1988 : Pisa, Itlay)
TI  - Generalized convexity and fractional programming with economic applications
T2  - Lecture Notes in Economics and MAthematical Systems; 345
SN  - 3540526730 (pbk)
U1  - B2T0bXp1,M88, N0 
PY  - 1990///
CY  - Berlin
PB  - Springer Verlag        
ER  -