A Resolution of the Sylvester-Gallai Problem of J.-P. Serre. L.M. Kelly (1986) Discrete & computational geometry
A survey of Sylvester's problem and its generalizations. W.O.J. Moser, P. Borwein (1990) Aequationes mathematicae
Affinspiegelungen in affinen Räumen einer beliebigen Dimension ... 2 E. QUAISSER (1983) Beiträge zur Algebra und Geometrie = Contributions to algebra and geometry