1. Endomorphisme de bascule et courbure areolaire d'une sous-variete d'une variete riemannienne

   • H. Maillot

   OriginalPaper Pages: 1 - 15

2. Skew affinities

   • Erich W. Ellers

   OriginalPaper Pages: 17 - 24

3. Über Automorphismengruppen von Möbiusebenen endlicher Ordnung

   • Cornelia Niederdrenk

   OriginalPaper Pages: 25 - 33

4. Some uniqueness theorems on two-dimensional Riemannian manifolds immersed in a general euclidean space

   • Chuan-Chin Hsiung
   • Kyu Sam Park

   OriginalPaper Pages: 35 - 51

5. Nearaffine planes

   • H. A. Wilbrink

   OriginalPaper Pages: 53 - 62

6. A theorem of ordered duality

   • Jacob E. Goodman
   • Richard Pollack

   OriginalPaper Pages: 63 - 74

7. Dual polar spaces

   • Peter J. Cameron

   OriginalPaper Pages: 75 - 85

8. On projective planes of order 12 with an automorphism of order 13

   • Zvonimir Janko
   • Tran Van Trung

   OriginalPaper Pages: 87 - 99

9. The full collineation group of any projective plane of order 12 is a {2, 3}-group

   • Zvonimir Janko
   • Tran Van Trung

   OriginalPaper Pages: 101 - 110