@article{MAN_1964__157_161229,
     author = {R. HALIN},
     title = {\"Uber unendliche {Wege} in {Graphen.}},
     journal = {Mathematische Annalen},
     pages = {125--137},
     publisher = {mathdoc},
     volume = {157},
     year = {1964},
     zbl = {0125.11701},
     url = {http://geodesic.mathdoc.fr/item/MAN_1964__157_161229/}
}