Geodesic
Uniform Approximation on the Graph of a Smooth Map in Cn
Canadian journal of mathematics, Tome 32 (1980) no. 6, pp. 1390-1396

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Let X be a compact set in C n , and let ƒ1, ..., ƒ m , m ≧ n, be continuous, complex-valued functions on X which have C 1 extensions to some neighborhood of X. We wish to describe the algebra A of continuous complex-valued functions on X which can be approximated uniformly by polynomials in the functions z1 ..., zn, ƒ1 ..., ƒm. For this purpose we introduce the sets and 
Weinstock, Barnet M. Uniform Approximation on the Graph of a Smooth Map in Cn. Canadian journal of mathematics, Tome 32 (1980) no. 6, pp. 1390-1396. doi: 10.4153/CJM-1980-109-4
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