@article{10_4153_CMB_1981_021_1,
     author = {Humphries, Michael D.},
     title = {The {Phragm\'en-Lindel\"of} {Principle}},
     journal = {Canadian mathematical bulletin},
     pages = {121--121},
     year = {1981},
     volume = {24},
     number = {1},
     doi = {10.4153/CMB-1981-021-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-021-1/}
}