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. J. Chýla
    RENORMALIZATION SCHEME INVARIANT PERTURBATION THEORY: MIRACLE OF MIRAGE?
    Phys. Rev. D 31 (1985) 2690 - 2692