Agarwal, R. P. (1992). Difference equations and inequalities: Theory, methods, and applications. New York: M. Dekker.
Παραπομπή Chicago StyleAgarwal, Ravi P. Difference Equations and Inequalities: Theory, Methods, and Applications. New York: M. Dekker, 1992.
Παραπομπή MLAAgarwal, Ravi P. Difference Equations and Inequalities: Theory, Methods, and Applications. New York: M. Dekker, 1992.
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