Stephens, Eugene  (1879-1957). <br/><br/>
The elementary theory of operational mathematics / 
by Eugene Stephens. 
 - First edition, third impression. 
 - New York ;  London :  McGraw-Hill Book Company,  1937. 
 - XI, [1], 313 stron :  ilustracje ;  21 cm. 
 - Electrical Engineering Texts .
 - Electrical Engineering Texts .
<br/><br/>Bibliografia na stronach 289-304. Indeks. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Teoria operatorów--podręczniki akademickie.<br/>Teoria operatorów
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Podręcznik
<br/><br/><label>Index Terms--Curriculum Objective: </label><br/>Matematyka