Progress of Theoretical Physics Vol. 3 No. 4 (1948) pp. 448-448 On the Expectation Value G. Araki Progress of Theoretical Physics Vol. 4 No. 3 (1949) pp. 366-367 On the Eigenvalue Problem of Hydrogen G. Araki Progress of Theoretical Physics Vol. 28 No. 2 (1962) pp. 323-337 Theory of Leptons Seitaro Nakamura and Shigeo Sato