At dosl_dzhenn_ M.Yu. Braychevsky on osnov_ z_stavlennya arkheolog_chny, l_ngv_stichny, antropolog_chny dzheret z pisemny sv_dchennyam about rozselennya slov'yansky tribes vibuduvav to a ts_l_sn kontsepts_yu skh_dnoslov'yansky to ethnogenesis.