Sugawara H. F and M theories as gauge theories of area preserving algebra / H. Sugawara, 1997. - 9 p. - Текст : непосредственный.
Sugawara H. Experiments towards the Planck scale : Talk presented at the inauguration conf. on Asia pacific center for theoretical physics, Seoul, Korea, June 4-10, 1997 / H.Sugawara, 1997. - 19 p. - Текст : непосредственный.