Numerical Approach to an Embedding Problem Concerning Dihedral class fields of order 16 Giorgos Siligardos — 2003 Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
On power residue characters of units and the representation of numbers by quadratic forms Giorgos Siligardos — 2001 Acta Arithmetica