Stephens,Eugene. <br/><br/>
The Elementary Theory of Operational Mathematics  Textual Documents 

 - Ist Edition,1937. 
 - New York:  Mc Graw-Hill Book Company,INC.,  1937. 
 - XI; 313p.:  01399. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Elementary Theory,Formulas,solutions in Series.
<br/><br/><label>Dewey Class. No.: </label>517.7 STE