Geodesic
Precise order bounds for the number of components of the complement of the zeros of harmonic polynomials
Funkcionalʹnyj analiz i ego priloženiâ, Tome 19 (1985) no. 4, pp. 55-60.

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V. N. Karpushkin. Precise order bounds for the number of components of the complement of the zeros of harmonic polynomials. Funkcionalʹnyj analiz i ego priloženiâ, Tome 19 (1985) no. 4, pp. 55-60. http://geodesic.mathdoc.fr/item/FAA_1985_19_4_a5/

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