@article{ASNSP_1990_4_17_3_343_0, author = {P\'etermann, Y.-F. S.}, title = {About a theorem of {Paolo} {Codec\`a's} and omega estimates for arithmetical convolutions. {Second} part}, journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze}, pages = {343--353}, publisher = {Scuola normale superiore}, volume = {Ser. 4, 17}, number = {3}, year = {1990}, zbl = {0759.11029}, mrnumber = {1079980}, language = {en}, url = {http://www.numdam.org/item/ASNSP_1990_4_17_3_343_0/} }