Isabelle Debled-Rennesson Eric Domenjoud Damien Jamet Arithmetic Discrete Parabolas. 480-489 2006 conf/isvc/2006-2 ISVC (2) http://dx.doi.org/10.1007/11919629_49 db/conf/isvc/isvc2006-2.html#Debled-RennessonDJ06