Citation: Ma. Akivis et Vv. Goldberg, ON GEOMETRY OF HYPERSURFACES OF A PSEUDOCONFORMAL SPACE OF LORENTZIANSIGNATURE, Journal of geometry and physics, 26(1-2), 1998, pp. 112-126
Citation: Ma. Akivis et Vv. Goldberg, THE GEOMETRY OF LIGHT-LIKE HYPERSURFACES OF THE DESITTER SPACE, Acta applicandae mathematicae, 53(3), 1998, pp. 297-328
Citation: Ma. Akivis et Vv. Goldberg, A CONFORMAL DIFFERENTIAL INVARIANT AND THE CONFORMAL RIGIDITY OF HYPERSURFACES, Proceedings of the American Mathematical Society, 125(8), 1997, pp. 2415-2424