@article{10_21136_MB_2008_134059,
     author = {Amouch, M. and Zguitti, H.},
     title = {A note on the $a${-Browder{\textquoteright}s} and $a${-Weyl{\textquoteright}s} theorems},
     journal = {Mathematica Bohemica},
     pages = {157--166},
     publisher = {mathdoc},
     volume = {133},
     number = {2},
     year = {2008},
     doi = {10.21136/MB.2008.134059},
     mrnumber = {2428311},
     zbl = {1199.47067},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/MB.2008.134059/}
}