Publikacja dostępna w wersji elektronicznej w Full text access. The research was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation), Funded by the Narodowy Centrum Nauki of Poland (NCN), Partially conducted in the framework of the DFG-funded research training group “GRK 2240: Algebro-Geometric Methods in Algebra, Arithmetic and Topology”. |