@article{10_4153_CJM_1983_057_3, author = {Sherling, Dorothy D.}, title = {Concerning the {Cone} = {Hyperspace} {Property}}, journal = {Canadian journal of mathematics}, pages = {1030--1048}, year = {1983}, volume = {35}, number = {6}, doi = {10.4153/CJM-1983-057-3}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1983-057-3/} }