Goldberg, S. (1986). Introduction to difference equations: With illustrative examples from economics, psychology, and sociology. New York: Dover Publications.
Παραπομπή Chicago StyleGoldberg, Samuel. Introduction to Difference Equations: With Illustrative Examples From Economics, Psychology, and Sociology. New York: Dover Publications, 1986.
Παραπομπή MLAGoldberg, Samuel. Introduction to Difference Equations: With Illustrative Examples From Economics, Psychology, and Sociology. New York: Dover Publications, 1986.
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