@article{RO_2019__53_2_627_0,
     author = {Yang, Hong and Wu, Pu and Nazari-Moghaddam, Sakineh and Sheikholeslami, Seyed Mahmoud and Zhang, Xiaosong and Shao, Zehui and Tang, Yuan Yan},
     title = {Bounds for signed double {Roman} k-domination in trees},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {627--643},
     publisher = {EDP-Sciences},
     volume = {53},
     number = {2},
     year = {2019},
     doi = {10.1051/ro/2018043},
     mrnumber = {3959475},
     zbl = {1440.05164},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ro/2018043/}
}