@article{JGAA_2019_23_5_a1,
     author = {Toshihiro Fujito and Kei Kimura and Yuki Mizuno},
     title = {Approximating {Partially} {Bounded} {Degree} {Deletion} on {Directed} {Graphs}},
     journal = {Journal of Graph Algorithms and Applications},
     pages = {759--780},
     publisher = {mathdoc},
     volume = {23},
     number = {5},
     year = {2019},
     doi = {10.7155/jgaa.00511},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.7155/jgaa.00511/}
}