TY - JOUR AU - Tatjana Zec TI - On the roman domination problem of some Johnson graphs JO - Filomat PY - 2023 SP - 2067 VL - 37 IS - 7 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2307067Z/ DO - 10.2298/FIL2307067Z LA - en ID - 10_2298_FIL2307067Z ER -