Estestvennonauchnye znaniia v Drevnei Rusi
Simonov, Rėm Aleksandrovich.
Akademii︠a︡ nauk SSSR.Nauchnyĭ sovet po istorii mirovoĭ kulʹtury.
Moskva Nauka
1980
At head of title: Akademiia nauk SSSR. Nauchnyi sovet po istorii mirovoi kul'tury
Science