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="Penttila, Tim" or (type any "bookEditor issueEditor" and editor="Penttila, Tim") Add to list Journal Article A1 A classification of transitive ovoids, spreads and m-systems of polar spaces John Bamberg (UGent) and Tim Penttila (2009) Forum Mathematicum. 21(2). p.181-216 Add to list Journal Article A1 Elation generalized quadrangles for which the number of lines on a point is the successor of a prime John Bamberg (UGent) , Tim Penttila and Csaba Schneider (2008) JOURNAL OF THE AUSTRALIAN MATHEMATICAL SOCIETY. 85(3). p.289-303