On approximate solution of periodic boundary-value problems with delay by the least-squares method in the critical case
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2008 ◽
Vol 11
(4)
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pp. 585-604
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2009 ◽
Vol 19
(1)
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pp. 80-104
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2016 ◽
Vol 5
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pp. 195-214
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2009 ◽
Vol 3
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pp. 501-509
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