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Translated from Matematicheskie Zametki, Vol. 55, No. 1, pp. 20–34, January, 1994.
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Gadyl'shin, R.R. On eigenfrequencies of bodies with thin branches. II. Asymptotics. Math Notes 55, 14–23 (1994). https://doi.org/10.1007/BF02110759
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DOI: https://doi.org/10.1007/BF02110759