TY  - BOOK
AU  - Goldberg,Samuel
TI  - Introduction to difference equations: With illustrative examples from economics, psychology, and sociology 
SN  - 0-486-65084-7
AV  - QA431 G59 1986
PY  - 1986///
CY  - New York
PB  - Dover
KW  - Ecuaciones en diferencias
KW  - Ciencias sociales
KW  - Modelos matemáticos
ER  -