@article{CRMATH_2013__351_19-20_761_0,
     author = {Bourin, Jean-Christophe and Lee, Eun-Young},
     title = {Sums of {Murray{\textendash}von} {Neumann} equivalent operators},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {761--764},
     publisher = {Elsevier},
     volume = {351},
     number = {19-20},
     year = {2013},
     doi = {10.1016/j.crma.2013.09.019},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2013.09.019/}
}