Polking, John Differential equations with boundary value problems / John Polking, Albert Boggess, David Arnold - 2nd ed. - Upper Saddle River, NJ : Pearson Prentice Hall, 2006 - 703, 41, 7 p. : ill. ; 27 cm. ISBN: 0131862367 Subjects--Topical Terms: Differential equationsBoundary value problems