Vryonis, Speros jr. 1928-.
The decline of medieval hellenism in Asia Minor and the process of islamization from the eleventh through the fifteenth century /
Speros Vryonis, Jr. 
. - Berkeley : Los Angeles : London : University of California Press,  1986 
. - xvii, 532 p.  ill.  23 cm.  1 л. карт. 
 - (Publications of the Center for Medieval and Renaissance Studies University of California )
<br/>К.: Бібліогр. в підрядк. прим., Index 
<br/><label>  ISBN: </label>0-520-05753-8