@article{1093882417, author = {Hickman, John L.}, title = {Semi-monotone series of ordinals.}, journal = {Notre Dame J. Formal Logic}, volume = {20}, number = {1}, year = {1979}, pages = { 196-200}, language = {en}, url = {http://dml.mathdoc.fr/item/1093882417} }
Hickman, John L. Semi-monotone series of ordinals.. Notre Dame J. Formal Logic, Tome 20 (1979) no. 1, pp. 196-200. http://gdmltest.u-ga.fr/item/1093882417/