@article{MASLO_1970__20_4_a10,
     author = {Koman, Milan},
     title = {Extremal {Crossing} {Numbers} of {Complete} $k${-Chromatic} {Graphs}},
     journal = {Mathematica slovaca},
     pages = {315--325},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {1970},
     mrnumber = {0325431},
     zbl = {0209.27902},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1970__20_4_a10/}
}