J. Phys. II France, 5 1 (1995) 11-17
Accepted: 18 October 1994
Recommend this article
You can advise a colleague about this article by filling this form below.
Your colleague will receive an e-mail containing your message and a link to the selected article.
Here is the text to be sent:
[Your name] recommends the following article:
This e-mail has been sent using a form at https://jp2.journaldephysique.org.