Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1980_27_5_a2, author = {A. Yu. Petrovich}, title = {Representation of monotonic functions by trigonometric series}, journal = {Matemati\v{c}eskie zametki}, pages = {691--699}, publisher = {mathdoc}, volume = {27}, number = {5}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1980_27_5_a2/} }
A. Yu. Petrovich. Representation of monotonic functions by trigonometric series. Matematičeskie zametki, Tome 27 (1980) no. 5, pp. 691-699. http://geodesic.mathdoc.fr/item/MZM_1980_27_5_a2/