Finite-difference methods for partial differential equations / George E. Forsythe [and] Wolfgang R. Wasow. Forsythe, George E. (George Elmer), 1917- Wasow, Wolfgang Richard, 1909- Differential equations, Partial Numerical solutions. Electronic digital computers. QA374 .F6 517.6 FOF Includes bibliographical references and index.. New York : Wiley, 1960. 1960. 1960 Text 444 p. : eng Applied mathematics series Applied mathematics series (John Wiley & Sons)