@article{10_4064_fm_63_2_137_141,
     author = {S. Bank and G. Orland},
     title = {A note on {Rouch\'e's} theorem},
     journal = {Fundamenta Mathematicae},
     pages = {137--141},
     publisher = {mathdoc},
     volume = {63},
     number = {2},
     year = {1968},
     doi = {10.4064/fm-63-2-137-141},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-63-2-137-141/}
}