Cain, George. Separation of variables for partial differential equations : an eigenfunction approach / George Cain, Gunter H. Meyer. - [S.l.] : Chapman and Hall/CRC, 2005. - 304 p. ; 24 cm. - Studies in advanced mathematics. . - Studies in advanced mathematics. . ISBN: 1584884207 9781584884200 Dewey Class. No.: 515.353