@article{10_21136_MB_1992_126235,
     author = {Zelinka, Bohdan},
     title = {Semidomatic and total semidomatic numbers of directed graphs},
     journal = {Mathematica Bohemica},
     pages = {1--8},
     publisher = {mathdoc},
     volume = {117},
     number = {1},
     year = {1992},
     doi = {10.21136/MB.1992.126235},
     mrnumber = {1154049},
     zbl = {0754.05041},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1992.126235/}
}