Title: Bolgarsko-russkie i russko-bolgarskie i︠a︡zykovye svi︠a︡zi /
Authors: Pavlova, Rumi︠a︡na.
Publisher: Gos. izd-vo "Narodna prosveta",
Year: 1979
Subjects: Bulgarian language Influence on Russian; Russian language Influence on Bulgarian; Bulgarian language Foreign elements Russian; Russian language Foreign elements Bulgarian; Bulgaria Relations Soviet Union.; Soviet Union Relations Bulgaria.