@article{1183741471, author = {Kranakis, Evangelos}, title = {Stepping Up Lemmas in Definable Partitions}, journal = {J. Symbolic Logic}, volume = {49}, number = {1}, year = {1984}, pages = { 22-31}, language = {en}, url = {http://dml.mathdoc.fr/item/1183741471} }
Kranakis, Evangelos. Stepping Up Lemmas in Definable Partitions. J. Symbolic Logic, Tome 49 (1984) no. 1, pp. 22-31. http://gdmltest.u-ga.fr/item/1183741471/