LaTeX2e macro package
The macro package in LaTeX2e, designed especially for ESAIM: P&S is available here (Compressed in ZIP format).
This compressed ZIP archive contain all files:
- read.me: Information (equivalent to this page).
- ps.cls: Class option file for ESAIM: P&S.
- userguide.dvi: User's Guide (DVI).
- userguide.pdf: User's Guide (PDF).
- template.tex: A fill-in-form for a standard article.
Copy ps.cls to a place where LaTeX can find it.
You should first read the "User's Guide" to get an overview and for special instructions concerning this journal. Alternatively to reading the entire documentation, it is also possible to proceed by merely filling out the template and then looking up additional commands as needed.