On General Properties of Eigenvalues and Eigenfunctions of a Sturm–Liouville Operator: Comments on “ISS With Respect to Boundary Disturbances for 1-D Parabolic PDEs”
2017 ◽
Vol 62
(11)
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pp. 5970-5973
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2013 ◽
Vol 2013
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pp. 1-7
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2018 ◽
Vol 85
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pp. 70
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Vol 24
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pp. 1511-1540
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Vol 41
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pp. 347-378
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Vol 12
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