ISOMER AND ISOTOPE SHIFTS IN SPHERICAL NUCLEI ON THE BASIS OF THE THEORY OF FINITE FERMI SYSTEMS L.M. Dautov, R.N. Kasymbalinov, D.K. Kaipov and M.M. Kadykenov J. Phys. Colloques, 41 C1 (1980) C1-141-C1-142 DOI: 10.1051/jphyscol:1980136