BIBLIOGRAPHY CONTRIBUTOR Yelena Sokolova First name Yelena Last name Sokolova Bibliography entries by this contributor Sokolova, Yelena. 1970. “Resheniye Ibn Al-Haysama ‘zadachi Al’hazena’”. Uch. Zap. Tul’skogo Gos. Ped, Ins-Tituta 3: 57-63.
