Grusha, Aleksandr Ivanovich. About indications and characters of changes in Cyrillic writing in the Polish Kingdom and the Grand Duchy of Lithuania at the turn of the 14th and 15th centuries Written by Смирнова Светлана Сергеевна on 26 December 2022.
Grusha, Aleksandr Ivanovich. What hides the old writing? Written by Сосницкий Дмитрий Александрович on 01 July 2019.
Velinova, V.; Grusha, A. I.; Lomagistro, B.; Lyakhovitsky, E. A.; Moshkova, L. V.; Waugh, D. The dispute about the old Russian writing Written by Сосницкий Дмитрий Александрович on 01 July 2019.
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