Kythe, Prem K. Partial differential equations and Boundary Value Problems with mathematica / Prem K. Kythe, Michael R. Sch�ferkotter, Pratap Puri. - 2nd ed. - [S.l.] : Chapman and Hall/CRC, 2002. - 440 p. ; 27 cm. ISBN: 1584883146 9781584883142 Dewey Class. No.: 515.353