Doktor nauk
Arseny Sokolov graduated from Tomsk State University (TSU) in 1931. He obtained the degree of Kandidat nauk ("Candidat of Science", equivalent to PhD) from TSU under supervision of Piotr Tartakovsky (1934). The degree of Doktor nauk ("Doctor of Science") was obtained by him from Leningrad Ioffe Physico-Technical Institute (1942, at that time in evacuation in Kazan).