@article{ELA_2010__20__a49,
     author = {Molnar, Lajos and Nagy, Gergo},
     title = {Thompson isometries on positive operators: the 2-dimensional case},
     journal = {The electronic journal of linear algebra},
     pages = {79--89},
     publisher = {mathdoc},
     volume = {20},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2010__20__a49/}
}