Celia, Michael Anthony. Numerical methods for differential equations : fundamental concepts for scientific and engineering applications / Michael A. Celia and William G. Gray. - Englewood Cliffs, N.J. : Prentice Hall, 1992. - xii, 436 p. Includes bibliographical references and index. ISBN: 0136269613 Subjects--Topical Terms: Differential equations,--Numerical solutions.Differential equations, Partial--Numerical solutions.