Quantum gauge models without (classical) Higgs mechanismMichael Dütsch, JoséM. Gracia-Bondía, Florian Scheck and JosephC. VárillyEur. Phys. J. C, 69 3-4 (2010) 599-621DOI: https://doi.org/10.1140/epjc/s10052-010-1432-1