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Bulletin of the Brazilian Mathematical Society, New Series > 2017 > 48 > 2 > 209-218
Computer Aided Geometric Design > 2016 > 46 > C > 125-130
Computer Aided Geometric Design > 2011 > 28 > 7 > 427-435
Journal of Symbolic Computation > 2003 > 36 > 5 > 699-716