@article{GDZPPN002352826,
title = {Perfect Codes in Antipodal Distance-Transitive Graphs.},
journal = {Mathematica Scandinavica},
volume = {34},
year = {1974},
pages = {29-37},
zbl = {0295.94016},
url = {http://dml.mathdoc.fr/item/GDZPPN002352826}
}
Heden, Olof. Perfect Codes in Antipodal Distance-Transitive Graphs.. Mathematica Scandinavica, Tome 34 (1974) pp. 29-37. http://gdmltest.u-ga.fr/item/GDZPPN002352826/