@article{10_4153_CJM_1979_076_7,
     author = {Mill, Jan van},
     title = {Not {Every} {K1-Embedded} {Subspace} is {K0-Embedded}},
     journal = {Canadian journal of mathematics},
     pages = {818--823},
     year = {1979},
     volume = {31},
     number = {4},
     doi = {10.4153/CJM-1979-076-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-076-7/}
}