Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1971_201_3_a6, author = {B. V. Pannikov}, title = {On the convergence of {Riemann} sums for discontinuous functions}, journal = {Doklady Akademii Nauk}, pages = {542--544}, publisher = {mathdoc}, volume = {201}, number = {3}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_201_3_a6/} }
B. V. Pannikov. On the convergence of Riemann sums for discontinuous functions. Doklady Akademii Nauk, Tome 201 (1971) no. 3, pp. 542-544. http://geodesic.mathdoc.fr/item/DAN_1971_201_3_a6/