Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1975_221_3_a9, author = {O. B. Sidonskii}, title = {On dual operators on a group}, journal = {Doklady Akademii Nauk}, pages = {547--550}, publisher = {mathdoc}, volume = {221}, number = {3}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_3_a9/} }
O. B. Sidonskii. On dual operators on a group. Doklady Akademii Nauk, Tome 221 (1975) no. 3, pp. 547-550. http://geodesic.mathdoc.fr/item/DAN_1975_221_3_a9/