@article{DMTCS_2017_19_4_a1,
     author = {Moser, Philippe and Stephan, Frank},
     title = {Depth, {Highness} and {DNR} degrees},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2017-2018},
     doi = {10.23638/DMTCS-19-4-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.23638/DMTCS-19-4-2/}
}