00495naa#a2200169#i#450# EN\\bibl\113124 20260322160350.7 2311-1402 20110325b2011####ek#y0engy0150####ca RUS RU K izucheniyu letopisnykh dat osnovaniya Vladimira-na-Klyaz'me Journal article Nizhnevartovsk Nizhnevartovsk State University 2011 12 с. Journal article local Kuznetsov A A filvestnik.nvsu.ru