TY  - BOOK
AU  - Afriat S. N.
TI  - Demand functions and the Slutsky metrix
T2  - Princeton studies in mathematical economics
U1  - X:731:(B), M0 
PY  - 1980///
CY  - Princeton
PB  - University of Press        
KW  -  Economics
KW  - Demand
ER  -