Costa, Gabriel B. Schaum's outline of differential equations - Fourth Edition - New York McGraw-Hill 2014 - 385 p ISBN: 9780071824859 Subjects--Topical Terms: Mathematics LC Class. No.: 515.35 BRO 2014 Dewey Class. No.: 515.35 BRO 2014 National Library of Medicine Call No.: 515.35 BRO 2014