%0 Journal Article %A Donato Pertici %T Trace Theorems for Regular Functions of Several Quaternion. %J Forum mathematicum %D 1991 %P 461-478 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186402/ %F FORUM_1991__3_2_186402