@inproceedings{FBBE:92a,
   author    = {E. Feron and V. Balakrishnan and S. Boyd and L. {El~Ghaoui}},
   title     = {Numerical Methods for {${\bf H}_2$} Related Problems},
   booktitle = {American Control Conf.},
   year      = {1992},
   month     = jun,
   address   = {Chicago},
   pages     = {2921-2922},
   volume    = 4 
}