@article{MS2_1977__40_166528,
     author = {Per Roar Andenaes},
     title = {Extreme {Boundaries} and continous affine functions.},
     journal = {Mathematica Scandinavica},
     pages = {197--208},
     publisher = {mathdoc},
     volume = {40},
     year = {1977},
     zbl = {0374.46016},
     url = {http://geodesic.mathdoc.fr/item/MS2_1977__40_166528/}
}