Richardson, C. H. <br/><br/>
An introduction to the calculus of finite differences 

 - Toronto:  D. Van Nostrand Company, Inc,  1963. 
 - vi,142p.:  ill.;  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus
<br/><br/><label>LC Class. No.: </label>QA431.R5