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: parent exact "BEITRÄGE ZUR ALGEBRA UND GEOMETRIE" Add to list Journal Article A2 Distance-preserving maps in generalized polygons, part I : maps on flags Eline Govaert and Hendrik Van Maldeghem (UGent) (2002) BEITRÄGE ZUR ALGEBRA UND GEOMETRIE. 43. p.89-110