An Attempt of Generalizing the Hypothesis of Charge Independence
Osamu Hara, Yasunori Fujii · Progress of Theoretical Physics · 1956
Progress of Theoretical Physics Vol. 17 No. 4 (1957) pp. 592–602 Mathematical Formulation of the Gell-Mann-Nishijima Scheme for New Particles Sigeo Hanawa Progress of Theoretical Physics Vol. 17 No. 6 (1957) pp. 743–750 Selection Rule Imposed by Mass Reversal Tadashi Ouchi