First Page | Document Content | |
---|---|---|
Date: 2015-03-16 10:08:22 | Letters in Mathematical Physics 41: 79–92, 1997. c 1997 Kluwer Academic Publishers. Printed in the Netherlands. 79Add to Reading ListSource URL: staff.math.su.seDownload Document from Source WebsiteFile Size: 170,89 KBShare Document on Facebook |