Curves and surfaces in cagd'89 proceedings of a conference held at the mathematiches forschungsinstitut oberwolfach F. R. G. 16-22 April 1989 - Barnhill, Robert E. (Amsterdam North-Holland, 1990)
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Keywords: Curves algebraic -- Data processing -- Congresses; Surfaces -- Data processing -- Congresses; Computer -- aided design -- Congresses