TY - JOUR AU - Onagh, Bibi N. TI - Roughness in $G$-graphs JO - Commentationes Mathematicae Universitatis Carolinae PY - 2020 SP - 147 EP - 154 VL - 61 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2020.016/ DO - 10.14712/1213-7243.2020.016 LA - en ID - 10_14712_1213_7243_2020_016 ER -