Stephens, Eugene,  1879- <br/><br/>
The elementary theory of operational mathematics, 
by Eugene Stephens ... 
 - 1st ed. 
 - New York,  London,  McGraw-Hill Book Company, inc.,  1937. 
 - xi, 313 p.  1 illus., diagrs.  21 cm. 
 - Electrical engineering texts .
<br/><br/><label>LCCN: </label>38003017  
<br/><br/><label>Subjects--Topical Terms: </label><br/>CÁLCULO OPERATIONAL<br/>ECUACIONES DIFERENCIALES LINEALES
<br/><br/><label>Dewey Class. No.: </label>517.7