Speegel /Murry .R  <br/><br/>
Theary & Problems of Calculus of Finite Differences 

 - New York  McGraw-Hill  1971 
 - 259 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>calculus
<br/><br/><label>Dewey Class. No.: </label>519  / SPI