@article{GDZPPN001163248, title = {A Note on Two Problems in Connexion with Graphs.}, journal = {Numerische Mathematik}, volume = {1}, year = {1959}, pages = {269-271}, zbl = {0092.16002}, url = {http://dml.mathdoc.fr/item/GDZPPN001163248} }
DIJKSTRA, E.W. A Note on Two Problems in Connexion with Graphs.. Numerische Mathematik, Tome 1 (1959) pp. 269-271. http://gdmltest.u-ga.fr/item/GDZPPN001163248/