Mathias, A. R. D. <br/><br/>
Cambridge summer school in mathematical logic, Aug. 1-21, 1971  / 

 - Berlin:  Springer-Verlag,  1973 
 - ix, 660p. 
 - Lecture notes in Mathematics ; 73 .
<br/><br/><label>Dewey Class. No.: </label>511.3  / M431.CS