Nagle, R. Kent. Fundamentals of differential equations and boundary value problems / R. Kent Nagle, Edward B. Staff, Arthur David Snider. - Fifth edition. - Singapore : Pearson Education South Asa Pte Ltd, c2010. - xxii, 862 pages : illustrations ; 25 cm. ISBN: 978-981-0695-98-9 Subjects--Topical Terms: Boundary value problems.Differential equations.