Spiegel, Murray R <br/><br/>
Theory and problems of calculus of finite differences and difference equations 

 - New York  McGraw-Hill  1971 
 - [6],259p 
 - Schaum's Outline Series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>515.62076  / SPI