Semiconcavity of viscosity solutions for a class of degenerate elliptic integro-differential equations in $\mathbb R^n$
Chenchen Mou
Indiana University Mathematics Journal
2016
text
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10.1512/iumj.2016.65.5921
10.1512/iumj.2016.65.5921
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Indiana Univ. Math. J. 65 (2016) 1891 - 1920
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