TY - BOOK AU - Agarwal, Ravi P. TI - Difference equations and methods and applications SN - 0-8247-8676-9 U1 - 515.35 PY - 1992/// CY - New York PB - Marcel Dekker KW - Differential equations KW - Linear Differential equations KW - Mathematics N1 - Includes bibliographical references and index ER -