@article{10_1017_fms_2016_3, author = {MINZHONG CAI and NOAM GREENBERG and MICHAEL MCINERNEY}, title = {DNR {AND} {INCOMPARABLE} {TURING} {DEGREES}}, journal = {Forum of Mathematics, Sigma}, publisher = {mathdoc}, volume = {4}, year = {2016}, doi = {10.1017/fms.2016.3}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1017/fms.2016.3/} }