Sh:23

Bib entry
@article{Sh:23,
 author = {Galvin, Fred and Shelah, Saharon},
 title = {{Some counterexamples in the partition calculus}},
 journal = {J. Combinatorial Theory Ser. A},
 fjournal = {Journal of Combinatorial Theory. Series A},
 volume = {15},
 year = {1973},
 pages = {167--174},
 mrnumber = {0329900},
 mrclass = {04A20 (05C15)},
 doi = {10.1016/s0097-3165(73)80004-4}
}