@article{MS2_1968__23_166063,
     author = {A.J. Ellis},
     title = {On {Partial} {Orderings} of {Normed} {Spaces.}},
     journal = {Mathematica Scandinavica},
     pages = {123--132},
     publisher = {mathdoc},
     volume = {23},
     year = {1968},
     zbl = {0181.13101},
     url = {http://geodesic.mathdoc.fr/item/MS2_1968__23_166063/}
}