Sh:66

Bib entry
@article{Sh:66,
 author = {Shelah, Saharon},
 title = {{End extensions and numbers of countable models}},
 journal = {J. Symbolic Logic},
 fjournal = {The Journal of Symbolic Logic},
 volume = {43},
 number = {3},
 year = {1978},
 pages = {550--562},
 issn = {0022-4812},
 doi = {10.2307/2273531},
 mrclass = {03C15},
 mrnumber = {503792},
 mrreviewer = {V. Harnik},
 doi = {10.2307/2273531}
}