Sh:36

Bib entry
@article{Sh:36,
 author = {Shelah, Saharon},
 title = {{Remarks on cardinal invariants in topology}},
 journal = {General Topology and Appl.},
 volume = {7},
 number = {3},
 year = {1977},
 pages = {251--259},
 mrnumber = {0482614},
 mrclass = {54A25 (54B05 54B10 04A15)}
}