André HECK - Copyright statement
The various pages of this site are copyrighted as follows:
- the personal pages (yellowish background), by myself;
- the papers (bluish background), by myself, the possible
co-authors, and the periodicals/publishers where they appeared;
these publications may be quoted on condition that a full reference
(authors, titles, bibliographical details, and so on) be included.
© André HECK,