@article{10_21136_CMJ_1971_101021,
     author = {Zelinka, Bohdan},
     title = {Homogeneous digraphs},
     journal = {Czechoslovak Mathematical Journal},
     pages = {280--290},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1971},
     doi = {10.21136/CMJ.1971.101021},
     mrnumber = {0323612},
     zbl = {0218.05060},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1971.101021/}
}