@article{10_4153_CJM_1979_094_5,
     author = {Martin, John R. and Jr., Sam B. Nadler},
     title = {Examples and {Questions} in the {Theory} of {Fixed} {Point} {Sets}},
     journal = {Canadian journal of mathematics},
     pages = {1017--1032},
     year = {1979},
     volume = {31},
     number = {5},
     doi = {10.4153/CJM-1979-094-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-094-5/}
}