BIBLIOGRAFÍA

building. It had a central layout. The core part took the form of a cylinder, most probably vaulted by the dome. Three semi-circular apses formed a elear triconch. From the south there was an entrance to the chapel. No less important was location of the mausoleum, situated between the cathe dral and St George’s a collegiate church. On the same axis was the original location of the tomb of St. Adalbert. The solutions applied in Gniezno may have had their sources in a Roman art centre. They were used in a sedes of projects and concepts appearing around the Julius II foundation, renovation of St. Peter’s Basilica and the concept of the papai mausoleum. They were related to the work of Donato Bramante and Giuliano da Sangallo. The Vatican architectural designs were formulated in the context of unique historical significance of St. Peter’s burial place. A similar, ancient context appeared in Gniezno, a place associated with the beginnings of Christianity in Poland.