Sacks Gerald E. <br/><br/>
Degrees of unsolvability 

 -  1963 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>65942 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equation theory
<br/><br/><label>Dewey Class. No.: </label>B23:7, K3