Irina S. Yuryeva. Slyshavъ ozhe, reche yako, or On the choice of the objective conjunction in Old Russian texts
RJANO. 2025. № 2 (50), Pages. 215 - 242

Ekaterina A. Vlasova. The use of jako recitativum in Russian chronicles of the eleventh-sixteenth centuries
RJANO. 2016. № 2 (32), Pages. 143 - 174