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@article{MAN_1978__238_163177, author = {P.R. Goodey and M.M. Woodcock}, title = {A {Characterization} of {Sets} of {Constant} {Width.}}, journal = {Mathematische Annalen}, pages = {15--22}, publisher = {mathdoc}, volume = {238}, year = {1978}, zbl = {0369.52003}, url = {http://geodesic.mathdoc.fr/item/MAN_1978__238_163177/} }
P.R. Goodey; M.M. Woodcock. A Characterization of Sets of Constant Width.. Mathematische Annalen, Tome 238 (1978), pp. 15-22. http://geodesic.mathdoc.fr/item/MAN_1978__238_163177/