Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1988_44_5_a9, author = {A. A. Lunin}, title = {Grouping the terms of numerical series}, journal = {Matemati\v{c}eskie zametki}, pages = {660--666}, publisher = {mathdoc}, volume = {44}, number = {5}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_5_a9/} }
A. A. Lunin. Grouping the terms of numerical series. Matematičeskie zametki, Tome 44 (1988) no. 5, pp. 660-666. http://geodesic.mathdoc.fr/item/MZM_1988_44_5_a9/