Sh:52

Bib entry
@article{Sh:52,
 author = {Shelah, Saharon},
 title = {{A compactness theorem for singular cardinals, free algebras, Whitehead problem and transversals}},
 journal = {Israel J. Math.},
 fjournal = {Israel Journal of Mathematics},
 volume = {21},
 number = {4},
 year = {1975},
 pages = {319--349},
 issn = {0021-2172},
 mrnumber = {0389579},
 mrclass = {02H13 (02K35 04A20 20K20)},
 doi = {10.1007/BF02757993}
}