Yershov, A. P. <br/><br/>
The ALPHA automatic programming system 

 - New York :  Academic Press,  1971 
 - 247 p. 
<br/><br/><label>LCCN: </label>55404 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ALPHA (Programación)
<br/><br/><label>Dewey Class. No.: </label>001.6424  / Y9