@article{MS2_1962__11_165812,
     author = {Otte Hustad},
     title = {Extension of {Positve} {Linear} {Functionals.}},
     journal = {Mathematica Scandinavica},
     pages = {63--78},
     publisher = {mathdoc},
     volume = {11},
     year = {1962},
     url = {http://geodesic.mathdoc.fr/item/MS2_1962__11_165812/}
}