hymnography
Konstantin V. Vershinin. AN OLD RUSSIAN COMMENTARY ON THE DOGMATIKA IN THE EIGHT TONES
Trudy IRY RAS. 2021. № 1 (27), Pages. 41 - 54
Dmitry V. Sitchinava. ON THE INTERPRETATION OF CERTAIN BIRCHBARK LETTERS
Trudy IRY RAS. 2020. № 1 (23), Pages. 297 - 314