QUASI PARTICLE ENERGY OF 4f-STATES IN THE RAMIREZ-FALICOV-KIMBALL (RFK) MODEL : MEMORY FUNCTION FORMALISM I. C. da Cunha Lima, C. E. Leal, E. A. de Andrada e Silva et A. TroperJ. Phys. Colloques, 49 C8 (1988) C8-699-C8-700DOI: https://doi.org/10.1051/jphyscol:19888316
