@article{CMUC_1982__23_2_a11,
     author = {Markl, Martin},
     title = {A note on closed $N$-cells in ${\mathbb R}^N$},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {355--357},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1982},
     mrnumber = {664980},
     zbl = {0517.57006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1982__23_2_a11/}
}