@article{JGAA_2020_24_2_a1,
     author = {Kaveh Khoshkhah and Mehdi Khosravian Ghadikolaei and J\'er\^ome Monnot and Florian Sikora},
     title = {Weighted {Upper} {Edge} {Cover:} {Complexity} and {Approximability}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {65--88},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {2020},
     doi = {10.7155/jgaa.00519},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00519/}
}