1. Algèbre;Bourbaki,1958
2. An Introduction to Noncommutative Noetherian Rings;Goodearl,2004
3. Modern Projective Geometry;Faure,2000
4. A. Pasini, The Smallest Underlying Field of a Lax Embedding, Quad. Mat., volume in memory of G. Tallini, in press
5. Generalized Polygons;Van Maldeghem,1998