@article{10_21136_CMJ_1996_127293,
     author = {Chen, Zhibo},
     title = {On minimum locally $n$-(arc)-strong digraphs},
     journal = {Czechoslovak Mathematical Journal},
     pages = {317--323},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1996},
     doi = {10.21136/CMJ.1996.127293},
     mrnumber = {1388619},
     zbl = {0870.05028},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1996.127293/}
}