TY  - BOOK
AU  - El-Hodiri, Mohamed
AU  - 
TI  - Constrained extrema introduction to the differential care with economic applications
U1  - 330.115:519.862.2 
PY  - 1971///
CY  - New York
PB  - Springer-Verlag
KW  - Economic
KW  - Economics
KW  - Business
KW  - demography
KW  - Money
ER  -