Szabo, M E <br/><br/>
Algebra of proofs / 
by M E Szabo. 
 - Amsterdam:  North Holland,  1978. 
 - 297p. 
 - Studies in logic and foundations of mathematics;  Vol.88 .
<br/><br/><label>ISBN: </label>0720422868 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proof theory<br/>Categories, Mathematics<br/>Combinatory logic.
<br/><br/><label>Dewey Class. No.: </label>511.3  / SZA