1. Vacuum instability as the origin of asymptotic freedom
2. Proc. Moriond meeting;Branchina,1991
3. V. Branchina, N.M. Stivala and D. Zappalà, Diagrammatic expansion for the effective potential and renormalization of massless λφ4 theory, INFN (Catania) preprint.
4. Large Higgs mass, triviality and asymptotic freedom;Consoli,1991
5. Spontaneou ssymmetry breaking and the Higgs mass;Consoli,1992