%0 Journal Article %A Anders Melin %T A Remark on Invariant Pseudo-Differential Operators. %J Mathematica Scandinavica %D 1972 %P 290-296 %V 30 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1972__30_166244/ %F MS2_1972__30_166244