On the Limiting Solution of the Bartnik-McKinnon Family
  We analyze the limiting solution of the Bartnik-McKinnon family and show that its exterior is an extremal Reissner-Nordstr{\o}m black hole and not a new type of non-abelian black hole as claimed in a recent article by Smoller and Wasserman. 
P. Breitenlohner and D. Maison