%0 Journal Article %A Apostol, Constantin %A Fialkow, Lawrence %T Structural Properties of Elementary Operators %J Canadian journal of mathematics %D 1986 %P 1485-1524 %V 38 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-072-6/ %R 10.4153/CJM-1986-072-6 %F 10_4153_CJM_1986_072_6