@article{JTNB_2002__14_2_561_0,
     author = {Nicolas, Jean-Louis and Sitaramaiah, Varanasi},
     title = {On a class of $\psi $-convolutions characterized by the identical equation},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {561--583},
     publisher = {Universit\'e Bordeaux I},
     volume = {14},
     number = {2},
     year = {2002},
     mrnumber = {2040694},
     zbl = {1071.11007},
     language = {en},
     url = {http://archive.numdam.org/item/JTNB_2002__14_2_561_0/}
}