Gudziak, Borys.
The Kyivan hierarchy, the Patriarchate of Constantinople and Union with Rome: Four Hundred Years Union of Brest (1596-1996). A Critical re-Evaluation: Acta of the congress held at Hernen Castle, the Netherlands, in March 1996 /
Borys Gudziak; edited by Bert Groen and Wil van den Bercken 
. - [б. м.] : Peeters,  1998 
. - p. 17-53.  21 cm. 
 - ((Eastern Christian Studies 1). )