@article{DAN_1983_272_5_a6,
     author = {A. S. Makin},
     title = {Summation by the {Abel--Poisson} method of spectral expansions corresponding to elliptic and ordinary differential operators},
     journal = {Doklady Akademii Nauk},
     pages = {1055--1058},
     publisher = {mathdoc},
     volume = {272},
     number = {5},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_272_5_a6/}
}