00461nas a2200109   4500008004100000245015300041210006900194300001200263490000700275100002400282856004500306       1987                        eng d00aThe Problem of the Reception of the Works of John {IV} Ieiunator of Constantinople among the Slavs: Nicon of the Black Mount and Cirycus of Novgorod0 aProblem of the Reception of the Works of John IV Ieiunator of Co  a23–450 v111 aThomson, Francis, J  uhttp://scripta-bulgarica.eu/en/node/2913