@incollection{AST_1977__41-42__273_0,
     author = {Scourfield, Eira J.},
     title = {On the property $(f(n), g(n)) = 1$ for certain multiplicative functions},
     booktitle = {Journ\'ees arithm\'etiques de Caen},
     series = {Ast\'erisque},
     pages = {273--276},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {41-42},
     year = {1977},
     zbl = {0347.10037},
     mrnumber = {441895},
     language = {en},
     url = {http://www.numdam.org/item/AST_1977__41-42__273_0/}
}