@techreport{RISC1502,
author = {S. Perez-Diaz and J. Schicho and J. R. Sendra},
title = {{An Algorithmic Criterion for Deciding the Properness of Rational Parametrizations}},
number = {00-22},
year = {2000},
month = {June},
sponsor = {DGES PB98-0713-C02-01, FWF project SFB013},
type = {RISC Report Series},
institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
address = {Schloss Hagenberg, 4232 Hagenberg, Austria}
}