@article{IM2_1968_2_4_a3,
     author = {I. S. Arshon},
     title = {On the decrease of harmonic functions of three variables in a~solid of revolution},
     journal = {Izvestiya. Mathematics },
     pages = {725--733},
     publisher = {mathdoc},
     volume = {2},
     number = {4},
     year = {1968},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1968_2_4_a3/}
}