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@article{MAN_1974__208_162556, author = {P.R. Goodey}, title = {Intersections of {Circles} and {Curves} of {Constant} {Width.}}, journal = {Mathematische Annalen}, pages = {49--58}, publisher = {mathdoc}, volume = {208}, year = {1974}, zbl = {0263.52001}, url = {http://geodesic.mathdoc.fr/item/MAN_1974__208_162556/} }
P.R. Goodey. Intersections of Circles and Curves of Constant Width.. Mathematische Annalen, Tome 208 (1974), pp. 49-58. http://geodesic.mathdoc.fr/item/MAN_1974__208_162556/