@article{10_4064_sm198_2_1,
     author = {Pietro Aiena and Mohammed Berkani},
     title = {Generalized {Weyl's} theorem and quasi-affinity},
     journal = {Studia Mathematica},
     pages = {105--120},
     year = {2010},
     volume = {198},
     number = {2},
     doi = {10.4064/sm198-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm198-2-1/}
}