Two‐grid methods for –
P
1
mixed finite element approximation of general elliptic optimal control problems with low regularity
2020 ◽
Vol 36
(5)
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pp. 1184-1202
2002 ◽
Vol 41
(5)
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pp. 1321-1349
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2015 ◽
Vol 33
(2)
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pp. 113-127
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2011 ◽
Vol 236
(6)
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pp. 1370-1381
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2015 ◽
Vol 66
(3)
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pp. 968-986
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2019 ◽
Vol 9
(1)
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pp. 87-101
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2013 ◽
Vol 24
(1)
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pp. 114-135
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