@article{CMFD_2007_25_a8,
     author = {S. M. Nikol'skii},
     title = {A {Generalization} of the {Fundamental} {Theorem} of {Spherical} {Harmonic} {Theory}},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {102--105},
     publisher = {mathdoc},
     volume = {25},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2007_25_a8/}
}