@article{GDZPPN002078759, title = {Minimum Area of Circumscribed Polygons.}, journal = {Elemente der Mathematik}, volume = {28}, year = {1973}, pages = {108-111}, zbl = {0262.52007}, url = {http://dml.mathdoc.fr/item/GDZPPN002078759} }
Chakerian, G.D. Minimum Area of Circumscribed Polygons.. Elemente der Mathematik, Tome 28 (1973) pp. 108-111. http://gdmltest.u-ga.fr/item/GDZPPN002078759/