@article{CMUC_2013__54_1_a5,
     author = {Burke, Dennis and Tkachuk, Vladimir V.},
     title = {Diagonals and discrete subsets of squares},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {69--82},
     publisher = {mathdoc},
     volume = {54},
     number = {1},
     year = {2013},
     mrnumber = {3038072},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2013__54_1_a5/}
}