Bronson, Richard. Schaum's Outline of Diffrential Equations Richard Baronson, Govindasami Naadimuthu - 2nd ed. - New York : McGraw-Hill , c1973. - x, 358 p.: ill.; - Schaum's Outlines Series . ISBN: 0070080194 Dewey Class. No.: 515.35 / BRO/SCH