Perfect lattices as admissible centerings S. S. RyshkovE. P. Baranovskii OriginalPaper Pages: 1155 - 1183
Local invariants of four-dimensional pseudo-Riemannian manifolds with Lorentz metric V. V. Nikulin OriginalPaper Pages: 1210 - 1238
Affine connection spaces (some aspects of the method of normalization of A. P. Norden) A. P. Shirokov OriginalPaper Pages: 1239 - 1253