@article{DMGT_2014_34_2_a2,
     author = {Schurch, Mark and Mynhardt, Christine},
     title = {The depression of a graph and \protect\emph{k}-kernels},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {233--247},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2014_34_2_a2/}
}