Sh:170

Bib entry
@incollection{Sh:170,
 author = {Shelah, Saharon},
 title = {{On logical sentences in PA}},
 booktitle = {{Logic colloquium '82 (Florence, 1982)}},
 series = {Stud. Logic Found. Math.},
 volume = {112},
 year = {1984},
 pages = {145--160},
 publisher = {North-Holland, Amsterdam},
 mrnumber = {762109},
 mrclass = {03F30 (03F35)},
 doi = {10.1016/S0049-237X(08)71815-9}
}