Abbasean xalifayowt̕ean patmaowt̕ean verǰin patmašrǰanẹ ew hayowt̕yownẹ (991-1258 t̕t̕.) : (haykakan cagowmov abbasean xalifanerẹ) - T̕ovmasean, Petros Movsês 1954- (Haykakan Hanrapetowt̕yan Gitowt̕yownneri Azgayin Akademia, Patmowt̕yan institowt, 2016)