FINITE FIELDS AND THEIR APPLICATIONS, cilt.9, sa.1, ss.129-133, 2003 (SCI-Expanded)
We give tight upper bounds on the number of degree one places of an algebraic function field over a finite field in terms of the exponent of a natural subgroup of the divisor class group of degree zero.. (C) 2002 Elsevier Science (USA). All rights reserved.