Minimality of the system of root functions of Sturm–Liouville problems with decreasing affine boundary conditions
2018 ◽
Vol 54
(10)
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pp. 1338-1353
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2015 ◽
Vol 51
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pp. 1249-1266
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2005 ◽
Vol 2005
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pp. 1481-1495
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Vol 15
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pp. 511-526
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2012 ◽
Vol 48
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pp. 1183-1187
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