@article{AUCMP_1976__17_1_a5,
     author = {Marek, I.},
     title = {Fredholm points of compactly pertubed bounded linear operators},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {65--72},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1976},
     zbl = {0399.47018},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1976__17_1_a5/}
}