[1]
Sheikholeslami, S.M., Dehgardi, N., Volkmann, L. and Meierling, D. 2016. The Roman bondage number of a digraph. Tamkang Journal of Mathematics. 47, 4 (Dec. 2016), 421–431. DOI:https://doi.org/10.5556/j.tkjm.47.2016.2100.