00523pamaa2200157 4500 0000014088 20090916090000.0 013627076X 519.402462 CEL QA372 CEL 1992 Celia Numerical methods for differential equations : fundamental concepts for scentific and engineerng applications Michael A. Celia and William G. Gray. New Jersey: Prentice Hall, 1992. xii, 436p.: 24cm. Numerical analysis Gray, William G.