Bolc, Leonard. <br/><br/>
Many valued logics - V.1  Theoretical foundations 
by Leonard Bolc, Piotr Borowik 
 - Berlin  Springer-Verlag  1992 
 - xiii, 292p. 
<br/><br/><label>ISBN: </label>3540559264 
<br/><br/><label>Dewey Class. No.: </label>511.3  / N921.1