On minimum area quadrilaterals and triangles circumscribed about convex plane regions.
Elemente der Mathematik, Tome 38 (1983), pp. 57-61.

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Mots-clés : convex plane region, circumscribed convex polygon of minimum area, triangle, quadrilateral
@article{ELMA_1983__38_141310,
     author = {W. Kuperberg},
     title = {On minimum area quadrilaterals and triangles circumscribed about convex plane regions.},
     journal = {Elemente der Mathematik},
     pages = {57--61},
     publisher = {mathdoc},
     volume = {38},
     year = {1983},
     zbl = {0514.52007},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1983__38_141310/}
}
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W. Kuperberg. On minimum area quadrilaterals and triangles circumscribed about convex plane regions.. Elemente der Mathematik, Tome 38 (1983), pp. 57-61. http://geodesic.mathdoc.fr/item/ELMA_1983__38_141310/