21
Published: 1956
22
Published: 1977
Superior document: Trudy po znakovym sistemam 8
23
Published: 1987
24
Published: 1956
Publisher: Издат. Акад. Наук СССР / Izdat. Akad. Nauk SSSR
25
Published: 1950
Superior document: Povestʹ vremennych let 1
26
Published: 1950
Superior document: Povestʹ vremennych let 2
27
Publisher: Издат. Акад. Наук СССР / Izdat. Akad. Nauk SSSR
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28
Published: 1982
Superior document: Materialy k biobibliografii učenych SSSR / Akademija Nauk SSSR : Serija literatury i jazyka 14
29
Published: 1971
Publisher: Наука / Nauka