O'Neil, Peter V Beginning partial differential equations Peter V. O'Neil - 2nd ed - Hoboken, NJ Wiley-Interscience 2008 - ix, 477 p. : ill. ; 25 cm Includes index ISBN: 9780470133903 ISSN: 2007039327 Subjects--Topical Terms: Differential equations, Partial Dewey Class. No.: 515.353 ONE