@article{DMGT_2015_35_2_a1,
     author = {Sinha, Deepa and Dhama, Ayushi},
     title = {On {{\textbullet}-Line} {Signed} {Graphs} {L\protect\textsubscript{{\textbullet}}(S)}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {215--227},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2015_35_2_a1/}
}