Smorynski, C., <br/><br/>
Self-reference and modal / 
Logic /  C. smorynski 
 - 333 páginas 
 - Universitext,  0172-5939 .
<br/><br/><label>ISBN: </label>0387962093 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modalidad (Lógica)
<br/><br/><label>LC Class. No.: </label>QA9.46  / S36