@article{FAA_1985_19_4_a5,
     author = {V. N. Karpushkin},
     title = {Precise order bounds for the number of components of the complement of the zeros of harmonic polynomials},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {55--60},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1985_19_4_a5/}
}