Mathematical foundations of computer science '1990   
ed. by B. Rovan 
 - Berlin  S-V  1990 
 - viii, 544p. 
 - Lecture notes in computer science  452 .
<br/><br/><label>ISBN: </label>3540529535 
<br/><br/><label>Dewey Class. No.: </label>005.131  / N90