1. V. Janiš
    Greens functions of the core electrons in a lattice model for X-ray spectra: Breakdown of perturbation theory in the long-time limit
    Phys. Rev. B 49 (1994) 1612
  2. V. Janiš
    Theory of soft x-ray spectra: Non-equilibrium dynamics of many electrons
    Acta Phys. Slov. 44 (1994) 391
  3. V. Janiš, M. Ulmke, D. Vollhardt
    Metal-insulator transition in the disordered Hubbard model
    Physica B 194-6 (1994) 1069
  4. P. G. J. van Dongen, V. Janiš
    Mott transition near the ferromagnetic state
    Phys. Rev. E 73 (1994) 912
  5. V. Janiš, D. Vollhardt
    Analytically tractable mean-field theory for interacting electrons at strong coupling
    Physica B 194-6 (1994) 489