1. Cf., L. Brillouin:Science and Information Theory (New York, N. Y., 1962);Scientific Uncertainty,and Information (New York, N. Y., 1964).
2. S. Ikeda:Lett. Nuovo Cimento,18, 29 (1977).
3. R. S. Ingarden:Bull. Acad. Pol. Sci. Math.,11, 541 (1963);Tensor, N. S.,30, 201 (1976);R. S. Ingarden andA. Kossakowski:Ann. of Phys.,89, 451 (1975).
4. As to the Finslerian field theory, see, for example,Y. Takano:Prog. Theor. Phys.,40, 1159 (1968).
5. For detail, see the ref. (3) and alsoH. Yukawa, T. Inoue andT. Toyoda (Editors):Quantum Mechanics, Vol.3 (Tokyo, 1972) (in Japanese).