Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1972_6_a9, author = {G. I. Ryzhankova}, title = {The oscillations of a~sequence of de la {Vall\'ee--Poussin} integrals}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {74--77}, publisher = {mathdoc}, number = {6}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1972_6_a9/} }
G. I. Ryzhankova. The oscillations of a~sequence of de la Vall\'ee--Poussin integrals. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1972), pp. 74-77. http://geodesic.mathdoc.fr/item/IVM_1972_6_a9/