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IEEE Transactions on Automatic Control > 1999 > 44 > 1 > 139 - 144
Electronics Letters > 1979 > 15 > 15 > 452 - 453
IEEE Transactions on Automatic Control > 1999 > 44 > 1 > 139 - 144
Electronics Letters > 1979 > 15 > 15 > 452 - 453