@article{SM_1986_53_1_a7,
     author = {A. A. Kondratyuk},
     title = {Spherical harmonics and subharmonic functions},
     journal = {Sbornik. Mathematics},
     pages = {147--167},
     year = {1986},
     volume = {53},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1986_53_1_a7/}
}