Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Kouroupis, Athanasios" or (type any "bookEditor issueEditor" and editor="Kouroupis, Athan... Add to list Journal Article A1 open access A note on Bohr’s theorem for Beurling integer systems Frederik Broucke (UGent) , Athanasios Kouroupis and Karl-Mikael Perfekt (2024) MATHEMATISCHE ANNALEN.