On a Theorem of Cooperstein

Buekenhout, 1974, On the foundations of polar geometry, Geometriae Dedicata,, 3, 155, 10.1007/BF00183207 Cooperstein, 1977, A characterization of some Lie incidence structures, Geometriae Dedicata, 6, 205, 10.1007/BF00181461 Dieudonne, 1963 Higman, 1974, Invariant relations, coherent configurations and generalized polygons, 27 Sprague, 1981, Pasch's axiom and projective spaces, Discrete Maths, 33, 79, 10.1016/0012-365X(81)90260-0 Tallini, 1981, On a characterization of the Grassmann manifold representing the lines in a projective space, 354 Tits, 1974, Buildings of spherical type and finite BN pairs, 386 Tits, 1981, A local approach to buildings, 519