Two-dimensional Helmholtz equation with zero Dirichlet boundary condition on a circle: Analytic results for boundary deformation, the transition disk-lens
1971 ◽
Vol 69
(1)
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pp. 175-188
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1999 ◽
Vol 09
(05)
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pp. 909-918
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Vol 435
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pp. 917-943
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Vol 2021
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pp. 1-9
2018 ◽
Vol 54
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pp. 130-138
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Vol 20
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