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@article{MOMA_1991__112_3_178543, author = {B.P. Duggal}, title = {A {Remark} on {Normal} {Derivations} of {Hilbert-Schmidt} {Type.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {265--270}, publisher = {mathdoc}, volume = {112}, number = {3}, year = {1991}, zbl = {0737.47021}, url = {http://geodesic.mathdoc.fr/item/MOMA_1991__112_3_178543/} }
B.P. Duggal. A Remark on Normal Derivations of Hilbert-Schmidt Type.. Monatshefte für Mathematik, Tome 112 (1991) no. 3, pp. 265-270. http://geodesic.mathdoc.fr/item/MOMA_1991__112_3_178543/