Ralf Schindler <br/><br/>
Ways of Proof Theory 

 -  De Gruyter  2010 
 - Ontos Mathematical Logic .
<br/><br/><label>ISBN: </label>9783110324525 
<br/><br/><label>Subjects--Topical Terms: </label><br/> General<br/>PHILOSOPHY <br/>Proof theory.