Taĭnyĭ soi︠u︡znik : Russkai︠a︡ revoli︠u︡t︠s︡ii︠a︡ i Germanii︠a︡ 1914-1918 /
880-01Sobolev, Gennadiĭ Leontʹevich.
[Sankt-Peterburg] : Izd-vo S.-Peterburgskogo universiteta,
2009.
At head of title: Sankt-Peterburgskiĭ gosudarstvennyĭ universitet.
Includes bibliographical references.