@article{DMGAA_2013_33_2_a4,
     author = {Agnarsson, Geir and Dunham, Jill},
     title = {On rational radii coin representations of the wheel graph},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {167--199},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2013_33_2_a4/}
}