@article{10_1017_S0017089500002883,
     author = {Murphy, I. S.},
     title = {A note on {Cauchy's} root test},
     journal = {Glasgow mathematical journal},
     pages = {151--154},
     year = {1976},
     volume = {17},
     number = {2},
     doi = {10.1017/S0017089500002883},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002883/}
}