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Osipchuk Т. М. Topological and Geometric Properties of the Set of 1-Nonconvexity Points of a Weakly 1-Convex Set in the Plane.
Ukr. Mat. Zhurn.
2021
,
73
(12), 1657-1672.
https://doi.org/10.37863/umzh.v73i12.6890
.