%0 Journal Article %A V. M. Gichev %T Completely reducible factors of harmonic polynomials of three variables %J Matematičeskie trudy %D 2021 %P 24-36 %V 24 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2021_24_2_a1/ %G ru %F MT_2021_24_2_a1