The papers must be written in
French, English, German or Italian. The first page will contain
the title, the authors, an abstract, the AMS Mathematics Subject
Classification, a short title, a list of key words and phrases and the
complete address(es) of the author(s).
The references will include all significant bibliographical data:
volume, number, pages, year, editor.
To submit a paper the authors are invited to send the LATEX file to the
