GEOMETRY & TOPOLOGY
journal22943
E070214
GB
1465-3060
English
Rivista
Mathematics Institute:University of Warwick, Coventry CV4 7AL United Kingdom:EMAIL: gtorders@maths.warwick.ac.uk, INTERNET: http://www.maths.warwick.ac.uk, Fax: 011 44 24 7654182
1997
cannot
can
restricted
false