@article{10_4153_CJM_1981_024_1,
     author = {Martin, John R.},
     title = {Absolute {Approximate} {Retracts} and {AR-Spaces}},
     journal = {Canadian journal of mathematics},
     pages = {297--301},
     year = {1981},
     volume = {33},
     number = {2},
     doi = {10.4153/CJM-1981-024-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1981-024-1/}
}