@article{10_4153_CJM_1973_047_2,
     author = {Potter, A. J. B.},
     title = {Non-Linear {A-Proper} {Mappings} of the {Analytic} {Type}},
     journal = {Canadian journal of mathematics},
     pages = {468--474},
     year = {1973},
     volume = {25},
     number = {3},
     doi = {10.4153/CJM-1973-047-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-047-2/}
}