@article{BBK:89, author = {S.~Boyd and V.~Balakrishnan and P.~Kabamba}, title = {A bisection method for computing the {${\bf H}_{\infty}$} norm of a transfer matrix and related problems}, journal = {Mathematics of Control, Signals, and Systems}, year = {1989}, volume = 2, number = 3, pages = {207-219} }