Abstract
In Chap. 4, we use bifurcation and critical point theory together to study the structure of the solutions of elliptic equations; also we have results on three sign-changing solutions.
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Zhang, Z. (2013). Bifurcation and Critical Point. In: Variational, Topological, and Partial Order Methods with Their Applications. Developments in Mathematics, vol 29. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30709-6_4
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DOI: https://doi.org/10.1007/978-3-642-30709-6_4
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