Geodesic
On some extremal problems in certain harmonic function spaces of several variables related to mixed norm spaces
Problemy analiza, Tome 2 (2013) no. 1, pp. 43-58.

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In this paper we provide some (not new) estimates on distances from our two previous papers together with some new estimates. Namely some estimates on distances in spaces of harmonic functions in the unit ball and the upper half space are provided. New estimates concerning mixed norm spaces and general weighted Bergman spaces are obtained and discussed.
Keywords: distance estimates; harmonic function; unit ball; Bergman spaces. 
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R. F. Shamoyan. On some extremal problems in certain harmonic function spaces of several variables related to mixed norm spaces. Problemy analiza, Tome 2 (2013) no. 1, pp. 43-58. http://geodesic.mathdoc.fr/item/PA_2013_2_1_a3/

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