Pushkin V N Ed. <br/><br/>
Problems of heuristics. 

 - Jerusalem  Israel Program for Scientific Translations     1972 
 - 202p  cm. 
<br/><br/><label>Standard No.: </label>34057 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>T:34, L2