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@article{DAN_1965_163_4_a10, author = {I. N. Pak}, title = {Properties of the sums of certain sine and cosine series}, journal = {Doklady Akademii Nauk}, pages = {827--829}, publisher = {mathdoc}, volume = {163}, number = {4}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_163_4_a10/} }
I. N. Pak. Properties of the sums of certain sine and cosine series. Doklady Akademii Nauk, Tome 163 (1965) no. 4, pp. 827-829. http://geodesic.mathdoc.fr/item/DAN_1965_163_4_a10/