On the asymptotic properties of solutions of perturbed linear systems of differential equations
1972 ◽
Vol 94
(1)
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pp. 41-62
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1965 ◽
Vol 15
(1)
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pp. 75-83
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1992 ◽
Vol 165
(1)
◽
pp. 288-304
◽
1982 ◽
Vol 13
(2)
◽
pp. 23-34
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