@article{05313270, title = {Bipartite diametrical graphs of diameter 4 and extreme orders.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2008}, year = {2008}, doi = {10.1155/2008/468583}, zbl = {1161.05316}, language = {en}, url = {http://dml.mathdoc.fr/item/05313270} }
Al-Addasi, Salah; Al-Ezeh, Hasan. Bipartite diametrical graphs of diameter 4 and extreme orders.. International Journal of Mathematics and Mathematical Sciences, Tome 2008 (2008) . doi : 10.1155/2008/468583. http://gdmltest.u-ga.fr/item/05313270/