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A characterization of the Euclidean sphere with respect to an isoptic surface
García-Jiménez, Magdalena, González-Arreola, Edgar, Jerónimo-Castro, JesúsVolume:
181
Language:
english
Journal:
Monatshefte für Mathematik
DOI:
10.1007/s00605-015-0852-2
Date:
November, 2016
File:
PDF, 483 KB
english, 2016