Kievskaia Rus' ocherki sotsial'no-politicheskoi istorii /
Froi︠a︡nov, Igorʹ I︠A︡kovlevich.
Mavrodin, Vladimir Vasilʹevich,1908-1987.
Leningradskiĭ gosudarstvennyĭ universitet imeni A.A. Zhdanova.
Leningrad Izd-vo LGU
1980
At head of title: Leningradskii ... gosudarstvennyi universitet