INTERNAL CHURCH CONFLICTS IN PRE-MONGOL RUSSIA: THEIR CAUSES AND WAYS OF OVERCOMING
Internal church conflicts are rarely the subject of research of historians, political scientists and sociologists though this confrontation, which sometimes occurs in the relationship of religious institutions within the same denomination, should be seen as a major incentive to religious development. In this article the author makes an attempt to classify the internal church conflicts in the pre-Mongol Russia.