@article{DAN_1970_190_5_a6,
     author = {A. A. Shaginyan},
     title = {The cluster sets of functions that are harmonic inside a sphere},
     journal = {Doklady Akademii Nauk},
     pages = {1038--1039},
     publisher = {mathdoc},
     volume = {190},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_190_5_a6/}
}