Explicit formulas for Hankel norm approximations of infinite-dimensional systems
1989 ◽
Vol 12
(4)
◽
pp. 455-469
◽
2001 ◽
Vol 39
(1)
◽
pp. 98-126
◽
2002 ◽
Vol 43
(3)
◽
pp. 356-377
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