Getting it

If possible, get this package from your distribution using its installation manager. (For installation help, click on your distribution's name.)

Distribution	Package name
MiKTeX	amstex
TeX Live	amstex

You can also visit amsppt's CTAN directory to browse the source or download the material for installation by hand.

More

Documentation on CTAN	Readme
Documentation off CTAN	-none known-
Maintainers	The American Mathematical Society
Version	2.1a
License	LaTeX Project Public License
Related packages	amsppt1: AMS-TeX v.2 compatibility for amsppt.sty v.1.
Keywords	article style Mathematics (the subject) document style
Characterizations	primary: Document types > Articles > Others secondary: Subject-specific typesetting > Mathematics

You can suggest changes to the keywords and characterizations and the maintainer information.

---