@article{10_4153_CJM_1972_022_8, author = {Jr., James T. Rogers}, title = {The {Cone} = {Hyperspace} {Property}}, journal = {Canadian journal of mathematics}, pages = {279--285}, year = {1972}, volume = {24}, number = {2}, doi = {10.4153/CJM-1972-022-8}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-022-8/} }