%0 Journal Article %A Messaoud Guesba %T Symmetric properties of elementary operators %J Novi Sad Journal of Mathematics %D 2022 %P 191 - 197 %V 52 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.30755/NSJOM.12475/ %R 10.30755/NSJOM.12475 %F 10.30755/NSJOM.12475