Learning behavior of variable-structure stochastic automata in a three-person zero-sum game. - Kenshiro Okamura; Taiho Kanaoka; Toshiniko Okada; Shingo Tomita (IEEE Trans. Syst. Man Cybern., 1984)

An optimal orthonormal system for discriminant analysis. - Toshiniko Okada; Shingo Tomita (Pattern Recognit., 1985)