%0 Journal Article %A Nash-Williams, C. ST. J. A. %T Euler Lines in Infinite Directed Graphs %J Canadian journal of mathematics %D 1966 %P 692-714 %V 18 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-070-2/ %R 10.4153/CJM-1966-070-2 %F 10_4153_CJM_1966_070_2