@article{10_4153_CMB_1975_110_2,
     author = {Warrack, Brian},
     title = {Regular {Quotients} of {Metric} {Spaces}},
     journal = {Canadian mathematical bulletin},
     pages = {611--613},
     year = {1975},
     volume = {18},
     number = {4},
     doi = {10.4153/CMB-1975-110-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-110-2/}
}