@article{10_4153_CMB_1961_016_2, author = {Melzak, Z.A.}, title = {On the {Problem} of {Steiner}}, journal = {Canadian mathematical bulletin}, pages = {143--148}, year = {1961}, volume = {4}, number = {2}, doi = {10.4153/CMB-1961-016-2}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1961-016-2/} }