@article{10_4153_CJM_1967_113_1,
     author = {Sion, M. and Zelmer, G.},
     title = {On {Quasi-Metrizability}},
     journal = {Canadian journal of mathematics},
     pages = {1243--1249},
     year = {1967},
     volume = {19},
     number = {1},
     doi = {10.4153/CJM-1967-113-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-113-1/}
}