@article{MAN_1969__182_161860,
     author = {R. HALIN},
     title = {Untersuchungen \"uber minimale n-fach zusammenh\"angende {Graphen.}},
     journal = {Mathematische Annalen},
     pages = {175--188},
     publisher = {mathdoc},
     volume = {182},
     year = {1969},
     zbl = {0172.25804},
     url = {http://geodesic.mathdoc.fr/item/MAN_1969__182_161860/}
}