@article{M2AN_1998__32_6_671_0,
     author = {Harrabi, A.},
     title = {Pseudospectre d'une suite d'op\'erateurs born\'es},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {671--680},
     publisher = {Elsevier},
     volume = {32},
     number = {6},
     year = {1998},
     mrnumber = {1652664},
     zbl = {0932.47001},
     language = {fr},
     url = {http://www.numdam.org/item/M2AN_1998__32_6_671_0/}
}