-
[1]
A. Arima and F. Iachello, Phys. Rev. Lett., 35(1975), 1069.[2] A. Arima and F. Iachello, Ann. of Phys., 99(1976),253.[3] A. Arima and F. Iachello, Ann. of Phys., 111(1978), 201.[4] A. Bohr and B. R.. Mottelson, Invited talk at the Inter, Conf. on Nuclear structure, (Tokyo, 1977).[5] 张锡珍,陈永寿,高能物理与核物理,4(1980), 103.[6] F. Griimmer, R. W. Schmid and A. Faeesler, Nucl. Phys., A317 (1979 ), 287.[7] J. D. Vergardos, Nucl. Phys., A111(1968), 881.[8] R. Bengtssou, I. Hamamoto and B. R. Mottelson, Phys. Lett., 73B(1978), 259.