West Russian–Great Russian language contacts in the sphere of vocabulary in the 15th century : on the question of the Western tradition in the business writing of Muscovite Rus'
Zoltan, Andrash, 1984, Candidate of Sciences dissertation
West Russian–Great Russian language contacts in the sphere of vocabulary in the 15th century : on the question of the Western tradition in the business writing of Muscovite Rus' — Zoltan, Andrash — 1984 — Russian Dissertation Library