Churchill, Ruel Vance,  1899- <br/><br/>
Operational mathematics. 

 - 3rd ed. 
 - New York,  McGraw-Hill,  1958. 
 - xii, 481 p.  illus.  22 cm. 
<br/><br/> First ed. published in 1944 under title: Modern operational mathematics in engineering. 
<br/><br/><label>LCCN: </label>58006678  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculus, Operational.<br/>Differential equations.<br/>Integral transforms.
<br/><br/><label>LC Class. No.: </label>QA432  / .C45 1958 
<br/><br/><label>Dewey Class. No.: </label>511  / CHU