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@article{DAN_1987_293_2_a1, author = {V. D. Budaev}, title = {On the convergence of spectral expansions at the point of}, journal = {Doklady Akademii Nauk}, pages = {270--274}, publisher = {mathdoc}, volume = {293}, number = {2}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_293_2_a1/} }
V. D. Budaev. On the convergence of spectral expansions at the point of. Doklady Akademii Nauk, Tome 293 (1987) no. 2, pp. 270-274. http://geodesic.mathdoc.fr/item/DAN_1987_293_2_a1/