Spiegel, Murray R. <br/><br/>
Theory and Problems of Calculus of Finite Differences and Difference Equations 

 - New Delhi  McGraw-Hill Book Company  1971 
 - 259 
<br/><br/><label>ISBN: </label>070602182 
<br/><br/><label>Subjects--Personal Names: </label> Mathematics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics