@article{1077468779,
author = {Sabidussi, Gert},
title = {The composition of graphs},
journal = {Duke Math. J.},
volume = {26},
number = {1},
year = {1959},
pages = { 693-696},
language = {en},
url = {http://dml.mathdoc.fr/item/1077468779}
}
Sabidussi, Gert. The composition of graphs. Duke Math. J., Tome 26 (1959) no. 1, pp. 693-696. http://gdmltest.u-ga.fr/item/1077468779/