TY - BOOK AU - Goldberg, Samuel TI - Introduction to difference equations: with illustrative examples from economics, psychology, and sociology SN - 0-486-65084-7 AV - QA 431 G59.1986 PY - 1986/// CY - New York PB - Dover KW - Ecuaciones diferenciales KW - Ciencias sociales KW - Modelos matemáticos N1 - "Reprint. Originally published: New York : Wiley, 1958."; Incluye índice ER -