@article{MAN_1977__229_163010,
     author = {W. Mader},
     title = {Endlichkeitss\"atze f\"ur k-kritische {Graphen.}},
     journal = {Mathematische Annalen},
     pages = {143--154},
     publisher = {mathdoc},
     volume = {229},
     year = {1977},
     zbl = {0337.05131},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__229_163010/}
}