2024-03-28T17:37:55Z
https://oai.zbmath.org/v1/
oai:zbmath.org:7173514
2020-02-25T11:05:32Z
34
Erdogan Sen (Tekirdağ)
Qi, Jiangang; Li, Jing; Xie, Bing
2020
7173514
English
Springer (Birkhäuser), Basel
https://zbmath.org/07173514
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Qual. Theory Dyn. Syst. 19, No. 1, Paper No. 12, 15 p. (2020).
34B09; 34B05; 34L15
Extremal problems of the density for vibrating string equations with applications to gap and ratio of eigenvalues
j