TY  - BOOK
AU  - HADLEY G
AU  -  KEMP M C
TI  - Variational methods in economics
T2  - Advanced textbooks in economics;1
U1  - X:(B), L1/SC 
PY  - 1971///
CY  - Amsterdam
PB  - North-Holland pub.         
N1  - Appendix :364-373p
ER  -