Abstract.
This paper concerns the existence of four (or six) solutions of semilinear elliptic boundary value problems provided that two disorderly solutions are known. The results are obtained under very generic conditions.
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Received: 26 August 2000 / Accepted: 23 February 2001 / Published online: 23 July 2001
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Liu, Z., Sun, J. Four versus two solutions of semilinear elliptic boundary value problems. Calc Var 14, 319–327 (2002). https://doi.org/10.1007/s005260100104
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DOI: https://doi.org/10.1007/s005260100104