[1] Alshibaja E. D.: 
To geometry of distriburions of hyperplane elements in affine space. Works of geometrical seminar, UISTI, M., 5 (1947), 169-193. 
MR 0423202[2] Grebenyuk M. F.: To geometry of the H (M(A))-distribution of affine space. Kaliningrad University, Kaliningrad, 1988, 17 p., in UISTI 18. 11. 1988, (82044-1388).
[3] Grebenyuk M. F.: 
The fields of the geometrical objects of the three-component distribution of affina space An+1. Differential geometry of manifolds of figures: Interuniversity subject collection of scientific works, Kaliningrad University, 18 (1987), 21-24. 
MR 0935456[4] Stoljarov A. V.: 
The projective differential geometry of the hyperstrip distribution of the m-dimensional linear elements. Problems of geometry, UISTI, M., 7 (1975), 117-151. 
MR 0493790