@article {IOPORT.50111712,
    author       = {Kitamoto, Takuya and Yamaguchi, Tetsu},
    title        = {The optimal $H_{infinity}$ norm of a parametric system achievable by an output feedback controller},
    year         = {2008},
    journal      = {IEICE Transactions},
    volume       = {91-A},
    number       = {7},
    pages        = {1713-1724},
    doi          = {10.1093/ietfec/e91-a.7.1713},
    identifier   = {50111712},
}