We study a model of the weak interaction in which three W-bosons interact with a triplet of fermion currents. The model is not renormalizable, but we make a canonical transformation of the Lagrangian which allows the most divergent terms in a perturbation series to be isolated, and their structure examined. Results recently obtained in lowest order perturbation theory relating the leading divergence to the Cabibbo angle are explicitly shown to hold in all orders. (Submitted to The Physical Review)-f Work supported by the U. S. Atomic Energy Commission.-1
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