@article{10_4064_sm_98_3_227_230,
     author = {Sebastien Ferenczi and Mariusz Lema\'nczyk},
     title = {Rank is not a spectral invariant},
     journal = {Studia Mathematica},
     pages = {227--230},
     publisher = {mathdoc},
     volume = {98},
     number = {3},
     year = {1991},
     doi = {10.4064/sm-98-3-227-230},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-98-3-227-230/}
}