José Claudio Geromel Pedro L. D. Peres Sérgio Ricardo de Souza H<sub>∞</sub> control of discrete-time uncertain systems. 1072-1075 1994 39 IEEE Trans. Autom. Control. 5 https://doi.org/10.1109/9.284896 db/journals/tac/tac39.html#GeromelPS94
