@article{DMGT_2015_35_4_a4,
     author = {Khodkar, Abdollah and Samadi, Babak and Volkmann, Lutz},
     title = {On the {Signed} {(Total)} {k-Independence} {Number} in {Graphs}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {651--662},
     publisher = {mathdoc},
     volume = {35},
     number = {4},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2015_35_4_a4/}
}