Hans S. Witsenhausen. Inequalities for the performance of suboptimal uncertain systems. Automatica, 5(4):507-512, 1969. [doi]
@article{Witsenhausen69-0, title = {Inequalities for the performance of suboptimal uncertain systems}, author = {Hans S. Witsenhausen}, year = {1969}, doi = {10.1016/0005-1098(69)90112-5}, url = {http://dx.doi.org/10.1016/0005-1098(69)90112-5}, researchr = {https://researchr.org/publication/Witsenhausen69-0}, cites = {0}, citedby = {0}, journal = {Automatica}, volume = {5}, number = {4}, pages = {507-512}, }