@article{10_4153_CJM_1967_118_2,
     author = {Nelson, R.},
     title = {Pseudovaluations of {Polynomials}},
     journal = {Canadian journal of mathematics},
     pages = {1293--1302},
     year = {1967},
     volume = {19},
     number = {1},
     doi = {10.4153/CJM-1967-118-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-118-2/}
}