Abstract
Necessary and sufficient conditions are given for a quadratic polynomial to be a divisor of a nonzero harmonic polynomial inR n.
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Agranovsky, M.L., Krasnov, Y. Quadratic divisors of harmonic polynomials inR n . J. Anal. Math. 82, 379–395 (2000). https://doi.org/10.1007/BF02791236
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DOI: https://doi.org/10.1007/BF02791236