@article{CMUC_1982_23_4_a15, author = {Mitchell, Rae W. J.}, title = {Another note on closed $N$-cells in ${\bf R}^N$}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {805--810}, year = {1982}, volume = {23}, number = {4}, mrnumber = {687573}, zbl = {0518.57011}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1982_23_4_a15/} }