Geodesic
On a~characterization of polynomial endomorphisms of~$\mathbf C^2$
Izvestiya. Mathematics , Tome 7 (1973) no. 2, pp. 319-328.

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In this paper inequalities for some characteristics of polynomial mappings of $\mathbf C^2\to\mathbf C^2$ are obtained. These estimates are used to obtain some results on polynomial endomorphisms of $\mathbf C^2$ with constant nonzero Jacobian. 
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     author = {B. L. Fridman},
     title = {On a~characterization of polynomial endomorphisms of~$\mathbf C^2$},
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B. L. Fridman. On a~characterization of polynomial endomorphisms of~$\mathbf C^2$. Izvestiya. Mathematics , Tome 7 (1973) no. 2, pp. 319-328. http://geodesic.mathdoc.fr/item/IM2_1973_7_2_a4/

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