%0 Journal Article %A R. Picard %T An Elementary Proof for a Compact Imbedding Result in Generalized Electromagnetic Theory. %J Mathematische Zeitschrift %D 1984 %P 151-164 %V 187 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1984__187_173479/ %F MZ_1984__187_173479