Mickens, Ronald E. Difference Equations: Theory and Applications / Ronald E. Mickens. - 2nd ed. - New York : Van Nostrand Reinhold Co., 1990. - 448 p. - 515'.625 . Bibliogr.: p. 441-442 Index.: p. 445-448 ISBN: 0-442-00136-3 Subjects--Topical Terms: Difference equations Dewey Class. No.: 515'.625