WILLIAM E. ELEMENTAR YDIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS - 6TH - NEW YORK JOHN WILEY 1997 - 0 1 0 0 0 ISBN: 0-471-08955-9 Source: 97-547 Subjects--Personal Names: RICHARD C. DiPRIMA Subjects--Topical Terms: NATURAL SCIENCES & MATHEMATICS LC Class. No.: QA 371.B773