[1]
Фаддеевна Ковязина Надежда 2000. Invariant Entries and Gospel Lections in the Slavic Lectionary Menology of the 11–16th cc. (September). Slavistica Vilnensis. 49, 2 (Dec. 2000), 51–60. DOI:https://doi.org/10.15388/SV.2000.23119.