history of Russian written language
Alexandr M. Moldovan. “Složilъ esmь grьčьskyi nomocanonъ”
RJANO. 2021. № 1 (41), Pages. 277 - 282
Alexandr M. Moldovan. On one archaism in Hilarion’s Confession of faith
RJANO. 2018. № 2 (36), Pages. 105 - 110