@misc{10_4153_CJM_1976_112_2,
     title = {Fixed {Point} {Theorem} for {Positive} {Operators} on {KB} {Spaces}},
     journal = {Canadian journal of mathematics},
     pages = {1146--1152},
     year = {1976},
     volume = {28},
     number = {6},
     doi = {10.4153/CJM-1976-112-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-112-2/}
}