Churchill, Ruel V. <br/><br/>
Operational mathematics / 
Ruel V. Churchill. 
 - 3d ed. 
 - New Delhi :  McGraw-Hill,  c1972. 
 - xii, 481 pages ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070108706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integral transforms.<br/>Differential equations.<br/>Calculus, Operational.
<br/><br/><label>Dewey Class. No.: </label>515.723 CHU