@inproceedings{ElB:94a, author = {L. El Ghaoui and V. Balakrishnan}, title = {Synthesis of Fixed-Structure Controllers via Numerical Optimization}, booktitle = {Proc.\ IEEE Conf.\ on Decision and Control} year = {1994}, month = dec, address = {Orlando, Florida}, pages = {2678-2683}, note = {Invited session {\em Robust Multivariable Control}.} }