@article{10_14712_1213_7243_2020_016,
     author = {Onagh, Bibi N.},
     title = {Roughness in $G$-graphs},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {147--154},
     publisher = {mathdoc},
     volume = {61},
     number = {2},
     year = {2020},
     doi = {10.14712/1213-7243.2020.016},
     mrnumber = {4143701},
     zbl = {07285997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2020.016/}
}