@article{10_1017_S0017089513000384,
     author = {DELGADO, O.},
     title = {OPTIMAL {EXTENSIONS} {FOR} {POSITIVE} {ORDER} {CONTINUOUS} {OPERATORS} {ON} {BANACH} {FUNCTION} {SPACES}},
     journal = {Glasgow mathematical journal},
     pages = {481--501},
     year = {2014},
     volume = {56},
     number = {3},
     doi = {10.1017/S0017089513000384},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089513000384/}
}