@article{CM_1970__22_3_333_0, author = {Gordon, Carl E.}, title = {Comparisons between some generalizations of recursion theory}, journal = {Compositio Mathematica}, pages = {333--346}, publisher = {Wolters-Noordhoff Publishing}, volume = {22}, number = {3}, year = {1970}, mrnumber = {285382}, zbl = {0235.02037}, language = {en}, url = {http://archive.numdam.org/item/CM_1970__22_3_333_0/} }