@article{10_4064_sm192_1_1,
     author = {E. de Amo and M. D{\'\i}az Carrillo},
     title = {A {Radon{\textendash}Nikodym} derivative for positive linear functionals},
     journal = {Studia Mathematica},
     pages = {1--14},
     year = {2009},
     volume = {192},
     number = {1},
     doi = {10.4064/sm192-1-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm192-1-1/}
}