Schaum's outline of theory and problems of calculus of finite differences and difference equations / Murray R. Spiegel. Theory and problems of calculus of finite differences and difference equations. Finite differences and difference equations. Spiegel, Murray R. Difference equations. QA431 .S62 517.38 SPS Cover title: Theory and problems of calculus of finite differences and difference equations. On spine: Finite differences and difference equations. Includes index. New York : McGraw-Hill, 1971. 1971. 1971 Text 259 p. ; http://www.loc.gov/catdir/description/mh031/74151500.html http://www.loc.gov/catdir/toc/mh021/74151500.html http://www.loc.gov/catdir/enhancements/fy1012/74151500-b.html eng Schaum's outline series