@article{DMGT_2011_31_2_a2,
     author = {Dra\v{z}ensk\'a, Em{\'\i}lia and Kle\v{s}\v{c}, Mari\'an},
     title = {On the crossing numbers of {G} \ensuremath{\square} {Cₙ} for graphs {G} on six vertices},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {239--252},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2011_31_2_a2/}
}