Authors: Brewster, R.C.; Rizzi, R.
Source: Information Processing Letters, Volume 86, Number 2, 30 April 2003, pp. 101-106(6)
Document Type: Short Communication
Affiliations: 2Financial support from project TMR-DONET nr. ERB FMRX-CT98-0202 of the European Community.Computer Science Department, Bishop's University, , Quebec, , J1M 1Z7, Lennoxville, Canada
Publication date: April 30, 2003