KRANTZ , Steven G. Differential Equations theory, technique and practice - 2nd ed. - Boca Raton CRC Press 2015 - xvi, 541p. - Textbooks in Mathematics . ISBN: 9781482247022 Subjects--Topical Terms: Simmons, George Finlay, 1925--Differential equations. Dewey Class. No.: 515.35 / KRA-D