## For Authors

The paper submitted for publication should be double-spaced, and sent either on a disk, or via electronic mail to the address indicated below.
The file will need to be in a $\mathrm{\TeX}$/$\mathrm{\LaTeX}$/AMS-$\mathrm{\TeX}$ file ($\mathrm{\LaTeX}$2ε preferred).
The author should indicate which versions of TeX and what operating system has been used to create the diskette.
All figure files and any macro files used in the paper should be included.
The first page should contain a short descriptive title, the name(s) of the author(s) followed by an abstract, not exceeding 200 words, which can be read independently of the paper.
The AMS Mathematics Subject Classification Number for the primary and secondary subjects of the article together with several key words should appear at the bottom of the first page.
The institutional affiliation and complete address (including e-mail if possible) of each author should be placed at the bottom of the last page.