Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1981_9_a2, author = {V. F. Gaposhkin}, title = {On zeros of trigonometric series with monotone coefficients}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {13--15}, publisher = {mathdoc}, number = {9}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1981_9_a2/} }
V. F. Gaposhkin. On zeros of trigonometric series with monotone coefficients. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1981), pp. 13-15. http://geodesic.mathdoc.fr/item/IVM_1981_9_a2/