TY - BOOK AU - Duff,G.F.D. AU - Naylor,Derek TI - Differential equations of applied mathematics AV - QA377 .D78 U1 - 530.157383 PY - 1966///] CY - New York PB - Wiley KW - Differential equations, Partial KW - Mathematical physics KW - Differential Equations KW - Physics, Mathematical N1 - Bibliography: p. 417-418 ER -