@article{SEMR_2020_17_a138,
     author = {V. M. Gichev},
     title = {Factorization of special harmonic polynomials of three variables},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {1299--1312},
     publisher = {mathdoc},
     volume = {17},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2020_17_a138/}
}