Navickis, Kazimieras. “Differential Geometry of Nonholonomic Complexes NGr(1, N, 2n − 4) in N-Dimensional Affine Space”. Lietuvos Matematikos Rinkinys, vol. 46, no. spec., Sept. 2023, pp. 78–83, https://doi.org/10.15388/LMR.2006.30578.