Крыжицкий, С.Д.; Хмелевский, Д.Н.
(Археологічні дослідження в Україні, 2009)
Olbian citadel is an important part of architectural and building remains of the ancient city related with the sojourn of the Roman army here from the middle of the 2nd c. to the middle of the 3rd c. AD. The citadel is ...