PakCat catalogue record Partial Differential Equations By Williams, Walter E. Bibliographic details ISBN0198596324 PublisherClarendon press Oxford Publication placeOxford [Eng.] Publication year1980 Edition1980 Material typeBook Physical descriptionill Additional authorsPartial Differential Equations SubjectsIntroduction, First Order Equations In two Indepen-Dent Variabls, W.E. Williams