1. B. Doubrov, B. Komrakov and Rabinovic,Homogeneous surfaces in the affine three-dimensional geometry, preprint 1995.
2. H. Guggenheimer,Differential Geometry, McGraw-Hill 1963.
3. H. Liu andC. Wang, Centroaffinely homogeneous surfaces in ℝ3,Contrib. Algebra Geom.35 (1994), 109–117.
4. K. Nomizu andT. Sasaki, A new model of unimodular-affinely homogeneous surfaces,Manuscripta Math. 73 (1991), 39–44
5. K. Nomizu and T. Sasaki,Affine Differential Geometry Geometry of Affine Immersions, Cambridge University Press 1994.