Chaplygin.
Series: Zhiznʹ zamechatelʹnykh li͡u︡deĭ. Serii͡a︡ biografiĭ,; vyp. 11 (471; Zhiznʹ zamechatelʹnykh li͡u︡deĭ ("Molodai͡a︡ gvardii͡a︡" (Firm)) ;; 1969, vyp. 11.
Publisher: "Mol. gvardii͡a︡,"
Published: 1969
Place of publication: Moskva
Language: rus
Number of pages: 271
Subjects: Chaplygin, Sergeĭ Alekseevich, 1869-1942.
Notes: Bibliography: p. [270]
At head of title: Lev Gumilevskiĭ.