TY  - BOOK
AU  - Hadley, G.
AU  - Kemp, M.C.
AU  - Bliss, C.J
TI  - Variational methods in economics
T2  - Advanced Textbooks in Economics
SN  - 0444100970
U1  - 330 
PY  - 1971///
CY  - Amsterdam
PB  - North-Holland Publishing Company
ER  -