@article{EXMA_2002__11_1_50529,
     author = {Floyd, William and Weber, Brian and Weeks, Jeffrey},
     title = {The {Achilles'} heel of ?},
     journal = {Experimental mathematics},
     pages = {91--97},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2002},
     zbl = {1029.65017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2002__11_1_50529/}
}