@book{ Solr-415928, title = {Fundamentals of differential equations.}, author = {Nagle, R. Kent}, editor = {Saff, Edward B., 1944-}, editor = {Snider, Arthur David}, address = {Boston}, publisher = {Pearson Addison Wesley}, year = {2003}, edition = {6th ed. /}, pages = {8}, note = {Includes CD-ROM}, }