haʊˈɛvɚ, sˌʌm ɹᵻsˈɜːtʃɚz bᵻlˈiːv ðɪ ˈoʊld bʌlɡˈɛɹiən ɚɹˈɪdʒɪnəl fɹʌmðə tˈɛnθ sˈɛntʃɚɹi ɪz ɐ tɹænslˈeɪʃən fɹʌm tˈuː stˈoʊn ɪnskɹˈɪpʃənz, wˌɪtʃ wɜː kəmpˈoʊzd ɪn ɡɹˈiːk ænd bˈʌlɡɚ lˈæŋɡwɪdʒᵻz, dˈʊɹɹɪŋ ðə sˈɛvən dˈæʃ ˈeɪt sˈɛntʃɚɹi.
However, some researchers believe the Old Bulgarian original from the 10th century is a translation from two stone inscriptions, which were composed in Greek and Bulgar languages, during the 7-8 century.