TY  - BOOK
AU  - Spencer, John Ervine
AU  - Geary, Robert Charles
TI  - Exercises in mathematical economics and econometrics: with outlines of theory 
AV  - HB 135 S63
PY  - 1974///
CY  - London
PB  - Charles Griffin
KW  - Economía matemática
KW  - Problemas, ejercicios, etc
KW  - Econometría
ER  -