@article{10_4153_CJM_1976_097_0,
     author = {H\"oft, Hartmut and H\"oft, Margret},
     title = {Some {Fixed} {Point} {Theorems} for {Partially} {Ordered} {Sets}},
     journal = {Canadian journal of mathematics},
     pages = {992--997},
     year = {1976},
     volume = {28},
     number = {5},
     doi = {10.4153/CJM-1976-097-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-097-0/}
}