@article{AMLG_1977__18_137939,
     author = {Wolfgang Maass},
     title = {On minimal pairs and minimal degrees in higher recursion theory.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {169--186},
     publisher = {mathdoc},
     volume = {18},
     year = {1977},
     zbl = {0371.02018},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1977__18_137939/}
}