@article{10_21136_CMJ_1987_102163,
     author = {Charatonik, J. J. and Miklos, Stanis{\l}aw and Omiljanowski, Krzysztof},
     title = {Locally one-to-one mappings on graphs},
     journal = {Czechoslovak Mathematical Journal},
     pages = {343--350},
     publisher = {mathdoc},
     volume = {37},
     number = {3},
     year = {1987},
     doi = {10.21136/CMJ.1987.102163},
     mrnumber = {904763},
     zbl = {0652.54025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1987.102163/}
}