Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1984__47_155012, author = {Sin-ei Takahasi}, title = {Remarks on quasicentral approximate identities.}, journal = {Manuscripta mathematica}, pages = {229--232}, publisher = {mathdoc}, volume = {47}, year = {1984}, zbl = {0548.46038}, url = {http://geodesic.mathdoc.fr/item/MM2_1984__47_155012/} }
Sin-ei Takahasi. Remarks on quasicentral approximate identities.. Manuscripta mathematica, Tome 47 (1984), pp. 229-232. http://geodesic.mathdoc.fr/item/MM2_1984__47_155012/