@article{1093894151, author = {Cowen, Robert H.}, title = {Superinductive classes in class-set theory.}, journal = {Notre Dame J. Formal Logic}, volume = {12}, number = {1}, year = {1971}, pages = { 62-68}, language = {en}, url = {http://dml.mathdoc.fr/item/1093894151} }
Cowen, Robert H. Superinductive classes in class-set theory.. Notre Dame J. Formal Logic, Tome 12 (1971) no. 1, pp. 62-68. http://gdmltest.u-ga.fr/item/1093894151/