@article{AFM_2006_31_2_a1,
     author = {David P\'erez-Garc{\'\i}a},
     title = {The trace class is a {Q-algebra}},
     journal = {Annales Fennici Mathematici},
     pages = {287--295},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2006_31_2_a1/}
}