Boyce, William E. Elementary differential equations/ William E. Boyce, Richard C. DiPrima. - 7th ed. - New York: Wiley, 2001. - xvi, 592 pages: illustrations (some color); 26 cm Includes index. ISBN: 0471319988 9780471319986 0471319996 9780471319993 0471308404 9780471308409 0471307890 9780471307891 LCCN: 00023754 Nat. Bib. No.: GBA0X7339 bnb Subjects--Topical Terms: Differential equations.Boundary value problems. Dewey Class. No.: 515.35 / B789e