Copson, E. T. Partial differential equations. (English) Zbl 0308.35001 Cambridge etc.: Cambridge University Press. VII, 280 p. pbk: £9.00; hbk: £4.00 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 30 Documents MSC: 35-01 Introductory exposition (textbooks, tutorial papers, etc.) pertaining to partial differential equations 35J05 Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation 35L10 Second-order hyperbolic equations 35K05 Heat equation 35F20 Nonlinear first-order PDEs PDFBibTeX XML