Show 5 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: parent exact "ACTA SCIENTIARUM MATHEMATICARUM" Add to list Journal Article A1 Minimal quasi-ideals and minimal bi-ideals in compact semigroups Richard Delanghe (UGent) (1974) ACTA SCIENTIARUM MATHEMATICARUM. 36(3-4). p.267-269