Papadakis, Aristeides.
Crisis in Byzantium: the "Filioque" controversy in the patriarchate of Gregory II of Cyprus, (1283-1289) /

. - New York : Fordham University Press,  1986 
. - x, 190 p.  24 cm. 
<br/>К.: Бібліогр. : с.173-185 
<br/><label>  ISBN: </label>0-8232-1088-X 
<br/><br/><label>Subjects--Personal Names: </label><br/>Gregory II  of Cyprus, Patriarch of Constantinople  1241-1290