@article{KJM_2019_43_1_a3,
     author = {N. Dehgardi and L. Volkmann},
     title = {Nonnegative {Signed} {Edge} {Domination} in {Graphs}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {31 },
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2019_43_1_a3/}
}