Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Levandosky, Julie and Brannan, James R. and Boyce, William E.",Differential equations : an introduction to modern methods and applications : student solutions manual,,John Wiley & Sons,2008,,,9780470125533,,https://cir.nii.ac.jp/crid/1130282268788363904