Castellini, Gabriele <br/><br/>
Categorical closure operators 
Gabriele Castellini 
 - Boston  Birkhčauser  c2003 
 - xii, 300 p  ill., tab  24 cm 
 - Mathematics : theory & applications .
 - Mathematics (Boston, Mass.) .
<br/><br/> Contine (bibliogr., index) 
<br/><br/><label>ISBN: </label>0817642501 (alk. paper) 3764342501 (alk. paper) 
<br/><br/><label>LCCN: </label>2003044307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Categories (Mathematics)<br/>Closure operators
<br/><br/><label>Dewey Class. No.: </label>511.3