%0 Journal Article %A Fisher, B. %T The convolution x-r*xs %J Glasgow mathematical journal %D 1976 %P 53-56 %V 17 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S001708950000272X/ %R 10.1017/S001708950000272X %F 10_1017_S001708950000272X