Simmons, George F., author. Differential equations : theory, technique, and practice / George F. Simmons and Steven G. Krantz. - New York, New York : McGraw-Hill Higher Education, c2007. - x, 534 pages : illustrations ; 23 cm Includes bibliographical references and index. In English text. ISBN: 9780071254373 Subjects--Topical Terms: Differential equations--Textbooks. LC Class. No.: CIR QA 371 / S56 2007