1. Supersymmetric supermembrane vacua and singletons;Bergshoeff;Phys. Lett. B,1987
2. Conformally invariant supersymmetric field theories on Sp × S1 and super-p-branes;Nicolai;Nucl. Phys. B,1988
3. J. Maldacena, The large-N limit of superconformal field theories and supergravity, hep-th/9711200.
4. P. Claus, R. Kallosh and A. Van Proeyen, M-5-brane and superconformal tensor multiplet in six dimensions, hep-th/9711161.
5. E. Witten, Anti-de-Sitter space and holography, hep-th/9802150