At head of title: Akademii͡a nauk Ukrainskoĭ SSR. Institut istorii. Bolgarskai͡a akademii͡a nauk. Institut balkanistiki. Kievskiĭ gosudarstvennyĭ univ...
At head of title: Akademii͡a nauk Ukrainskoĭ SSR. Institut istorii. Bolgarskai͡a akademii͡a nauk. Institut balkanistiki. Kievskiĭ gosudarstvennyĭ universitet im T.G. Shevchenko.