%0 Journal Article %T Partition Relations for Ordinal Numbers %J Canadian journal of mathematics %D 1969 %P 317-334 %V 21 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-034-2/ %R 10.4153/CJM-1969-034-2 %F 10_4153_CJM_1969_034_2