Lerman, M.  1943- <br/><br/>
Degrees of unsolvability:  local and global theory/ 
Manuel Lerman. 
 - Berlin ;  New York:  Springer-Verlag,  1983. 
 - xiii, 307 p.:  ill.;  25 cm. 
 - Perspectives in mathematical logic .
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. [293]-297. 
<br/><br/><label>ISBN: </label>0387121552 (U.S.) 
<br/><br/><label>LCCN: </label>83000436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unsolvability (Mathematical logic)
<br/><br/><label>Dewey Class. No.: </label>511.3  / L616d