@article{MAN_1963__152_161096,
     author = {R. HALIN and H.A. JUNG},
     title = {\"Uber {Minimalstrukturen} von {Graphen,} insbesondere von n-fach zusammenh\"angenden {Graphen.}},
     journal = {Mathematische Annalen},
     pages = {75--94},
     publisher = {mathdoc},
     volume = {152},
     year = {1963},
     zbl = {0117.41103},
     url = {http://geodesic.mathdoc.fr/item/MAN_1963__152_161096/}
}