@article{1183530566, author = {Porta, Horacio}, title = {Two sided ideals of operators}, journal = {Bull. Amer. Math. Soc.}, volume = {75}, number = {5}, year = {1969}, pages = { 599-602}, language = {en}, url = {http://dml.mathdoc.fr/item/1183530566} }
Porta, Horacio. Two sided ideals of operators. Bull. Amer. Math. Soc., Tome 75 (1969) no. 5, pp. 599-602. http://gdmltest.u-ga.fr/item/1183530566/