@article{DAN_1983_269_2_a4,
     author = {A. S. Makin},
     title = {The basis property of {Abel-Poisson} means of spectral decompositions corresponding to a strongly elliptic differential operator},
     journal = {Doklady Akademii Nauk},
     pages = {281--284},
     publisher = {mathdoc},
     volume = {269},
     number = {2},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_269_2_a4/}
}