Churchill, Ruel V.  1899-1987. <br/><br/>
Operational mathematics. 

 - 2d ed. 
 - New York :  McGraw-Hill,  1958. 
 - 337 p. :  illus. ;  24 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/>Integral transforms.<br/>Differential equations.<br/>Calculus, Operational.
<br/><br/><label>LC Class. No.: </label>QA432  / .C45 1958 
<br/><br/><label>Dewey Class. No.: </label>517