On the product of Riesz sets in dual objects of compact groups. Transactions of a Japanese-German Symposium on"Infinite-Dimensional Harmonic Analysis"held at the University of Kyoto(1999). 2000. 360-372
Hiroshi Yamaguchi. The space N(σ) and the F. and M. Riesz theorem. Hokkaido Mathematical Journal. 1996. 25. 3. 567-589
An F. and M. Riesz theorem on compact groups. Transactions of German-Japanese Symposium on "Intinite-Dimensional Harmomic Analysis" held in T(]J1168[)bingen. 1996. 249-273