@article{10_4153_CJM_1977_110_1,
     author = {Kohli, J. K.},
     title = {Local {Topological} {Properties} of {Maps} and {Open} {Extensions} of {Maps}},
     journal = {Canadian journal of mathematics},
     pages = {1121--1128},
     year = {1977},
     volume = {29},
     number = {6},
     doi = {10.4153/CJM-1977-110-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-110-1/}
}