@article{DAN_1971_199_3_a12,
     author = {D. K. Ugulava},
     title = {Generalized normal mean values of {Fourier--Laplace} series},
     journal = {Doklady Akademii Nauk},
     pages = {553--555},
     publisher = {mathdoc},
     volume = {199},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_199_3_a12/}
}