1. J. Fischer, FZÚ)
    On the role of power expansions in quantum field theory
    International Journal of Modern Physics A 12 (1997) 3625-3633.
  2. INFRARED FIXED POINTS IN ASYMPTOTICALLY FREE FIELD THEORIES: WHAT DO THEY TELL US?
    Phys. Rev. D 38 (1988) 3845 - 3849