@article{10_1017_S0017089500008508,
     author = {Carothers, N. L. and Dilworth, S. J. and Trautman, D. A.},
     title = {On the geometry of the unit spheres of the {Lorentz} spaces {Lw,1}},
     journal = {Glasgow mathematical journal},
     pages = {21--25},
     year = {1992},
     volume = {34},
     number = {1},
     doi = {10.1017/S0017089500008508},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008508/}
}