%0 Journal Article %A V. S. Serov %T Absolute convergence of Fourier series in eigenfunctions of an elliptic operator %J Matematičeskie zametki %D 1976 %P 435-448 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1976_19_3_a12/ %G ru %F MZM_1976_19_3_a12