@article{BBB:91,
   author    = {V. Balakrishnan and S. Boyd and S. Balemi},
   title     = {Branch and Bound Algorithm for Computing the Minimum Stability
       Degree of Parameter-dependent Linear Systems},
   journal   = {Int.\ J.\ of Robust and Nonlinear Control},
   year      = {1991},
   month     = {October--December},
   volume    = 1,
   number    = 4,
   pages     = {295-317}
}