@article{10_4153_CMB_1963_036_6, author = {Melzak, Z.A.}, title = {A {Property} of {Plane} {Sets} of {Constant} {Width}}, journal = {Canadian mathematical bulletin}, pages = {409--415}, year = {1963}, volume = {6}, number = {3}, doi = {10.4153/CMB-1963-036-6}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1963-036-6/} }