Doug E. R. Clark What Did the Circle Say to the Tangent Line?: Exploring Analytic Geometry with Mathematica, D.L. Vossler (Ed.); Academic Press, San Diego, USA, 1999, 865 pages, ISBN 0-12-728255-6 ($59.95). [Citation Graph (0, 0)][DBLP] Computer-Aided Design, 2001, v:33, n:4, pp:343- [Journal]
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