Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1977__32_141191, author = {H. Bodendiek and H. Schumacher}, title = {\"Uber grazi\"ose {Numerierungen} von {Graphen.}}, journal = {Elemente der Mathematik}, pages = {49--58}, publisher = {mathdoc}, volume = {32}, year = {1977}, zbl = {0361.05050}, url = {http://geodesic.mathdoc.fr/item/ELMA_1977__32_141191/} }
H. Bodendiek; H. Schumacher. Über graziöse Numerierungen von Graphen.. Elemente der Mathematik, Tome 32 (1977), pp. 49-58. http://geodesic.mathdoc.fr/item/ELMA_1977__32_141191/