@article{CM_1974__29_1_55_0,
     author = {Mitchem, John},
     title = {The point-outerthickness of complete $n$-partite graphs},
     journal = {Compositio Mathematica},
     pages = {55--61},
     publisher = {Noordhoff International Publishing},
     volume = {29},
     number = {1},
     year = {1974},
     mrnumber = {354450},
     zbl = {0291.05104},
     language = {en},
     url = {http://www.numdam.org/item/CM_1974__29_1_55_0/}
}