Lerman, M. (Manuel), 1943- <br/><br/>
Degrees of unsolvability  local and global theory 
Manuel Lerman 
 - Berlin  Springer-Verlag  1983 
 - 307p. 24cm 
 - Perspectives in mathematical logic .
<br/><br/>Includes index Bibliography: p.293-297 
<br/><br/><label>LCCN: </label>83-436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unsolvability (Mathematical logic)