Contribution to mathematical logic / 
edited by H Arnold Schmidt, Schutte K, H J Thiele. 
 - Amsterdam:  North-Holland,  1968. 
 - 298p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conference proceedings<br/>Mathematical logic
<br/><br/><label>Dewey Class. No.: </label>511.3  / SCH