Geodesic
A Cubic Model of a Real Variety
Matematičeskie zametki, Tome 70 (2001) no. 4, pp. 503-519.

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In the paper a cubic model is constructed for a germ of a real subvariety in a complex space. It is shown that in its range of codimensions this model possesses the full spectrum of properties similar to well-known properties of tangent quadrics. 
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V. K. Beloshapka. A Cubic Model of a Real Variety. Matematičeskie zametki, Tome 70 (2001) no. 4, pp. 503-519. http://geodesic.mathdoc.fr/item/MZM_2001_70_4_a2/

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