Jordan homomorphisms and harmonic mappings Blunck, Andrea Havlicek, Hans 2003 - Forschungsinformationssystem der UHH
Radical parallelism on projective lines and non-linear models of affine spaces Blunck, Andrea Havlicek, Hans 2003 - Forschungsinformationssystem der UHH
The cross ratio for quadruples of subspaces Blunck, Andrea 2003 - Forschungsinformationssystem der UHH