Boyce, William E. Elementary differential equations and boundary value problems / William E. Boyce, Richard P. DiPrima. - 7th ed. - New York : John Wiley and Sons, c2002. - xv, 745 d pages ; 28 cm ISBN: 0471319996 Subjects--Topical Terms: Differential equationBoundary value problems. LC Class. No.: QA371 / B69